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Tonno Pro Hard Fold Hard Tonneau Cover - Folding - Aluminum and Vinyl

Tonno Pro Hard Fold Hard Tonneau Cover - Folding - Aluminum and Vinyl

Item # TPHF-251
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TPHF-251 - Hard Tonneau Tonno Pro Tonneau Covers
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Hard, folding tonneau cover protects truck bed and cargo from the elements. Dual-sided vinyl skin and aluminum panels offer strength and security. Tri-fold design allows partial bed access. Comes fully assembled. Includes 4-piece accessory bundle. Lowest Prices for the best tonneau covers from Tonno Pro. Tonno Pro Hard Fold Hard Tonneau Cover - Folding - Aluminum and Vinyl part number TPHF-251 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (11)
  • Q & A (1)
  • Videos (2)
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  • Why etrailer?

Tonno Pro Tonneau Covers - TPHF-251

  • Tonno Pro
  • Fold-Up Tonneau
  • Hard Tonneau
  • Top of Bed Rails - Covers Stake Pockets
  • Aluminum and Vinyl
  • Low Profile
  • Gloss Black
  • Opens at Tailgate
  • Tool-Free Removal

Hard, folding tonneau cover protects truck bed and cargo from the elements. Dual-sided vinyl skin and aluminum panels offer strength and security. Tri-fold design allows partial bed access. Comes fully assembled. Includes 4-piece accessory bundle.


  • Custom-fit tonneau cover protects your cargo and your vehicle's bed from the elements
  • Tri-fold design offers partial access to your truck bed
    • Open tailgate and release rear clamps to fold up cover
    • Fold rear and center panels toward cab to free up two-thirds of your bed
    • Secure folded panels at the cab with buckles and straps
  • Low-profile cover sits 1-3/4" above the bed rails
    • Reduces wind drag and improves gas mileage
  • Double-sided, marine-grade vinyl skin with a textured, black finish
    • Resists tearing, mildew, rot, UV rays, and extreme temperatures
    • Keeps cover looking sharp by hiding dents and dings in aluminum panels
  • Lightweight aluminum panels and frame are epoxy powder coated for durability and corrosion resistance
    • Panels provide added security for items in truck bed
  • Marine-grade Terelyne stitching prevents leaking and creates strong seams
  • Weather-Tite rubber Q seals and oversized foam corners keep water out of your truck bed
    • Tailgate seal stops dust and moisture at the back of your truck
  • Fully assembled cover installs in minutes - no drilling required
    • 4 E-Z clamps come attached to cover and attach to your truck bed rails
    • Slide-Lock system lets you adjust clamps side to side for best fit
    • Cover cannot be opened when tailgate is closed and locked
  • Accessory bundle includes:
    • Pro Clean tonneau cover cleaner
    • Sure Seal tailgate seal
    • Tonno Torch truck bed light
    • Pro Gloves work gloves


  • Weight capacity: 350 lbs
  • Warranty:
    • Limited lifetime on hardware and aluminum components, including panels, frame, clamps, and hinges
    • 10-Year on vinyl

Tonno Pro Hard Fold Cover On Truck

The Tonno Pro Hard Fold combines the strength and security of a hard, folding cover with the look and low-profile design of a soft cover. Aluminum panels protect your truck bed and cargo from strangers and the elements while the double-side vinyl skin gives the cover a soft tonneau look and hides any dents or imperfections on the panels. It comes fully assembled so it installs in minutes. Rubber Q seals form a water-resistant barrier to keep your truck bed dry. The cover folds up two-thirds of the way or removes easily for those times when you need to haul large cargo or tow with your fifth wheel or gooseneck hitch. And as a bonus it comes with a bottle of cover cleaner, tailgate seal, a flashlight, and a pair of work gloves.

Fully Assembled for Easy Installation

Tonno Pro Hard Fold Cover

The Hard Fold comes fully assembled and installs in minutes with 4 E-Z clamps built into the frame. This eliminates the need to install side rails on your truck bed before mounting the cover. To install the cover, lay it across your truck bed at the cab and secure the first panel with the integrated E-Z clamps. The clamps are built into channels in the cover and adjust in and out from the center of the cover. This Slide-Lock system lets you find the perfect fit for your bed rails.

Tonno Pro Tonno Fold Cover Front Hook

The front clamps include extruded aluminum hooks to ensure a secure fit on your bed rails. These hooks are more durable when compared with plastic hooks. To secure the clamps, position the hooks under the lips of your truck bed and tighten them in place with the T-handle nuts.

Tonno Pro Tonno Fold Cover Rear Clamp

Once the panel closest to the cab is secure, release the snap-clips on the front of the cover and fold down the second and third panels. The 2 remaining E-Z clamps secure the third panel near the tailgate. These clamps secure to your bed rails with spring-loaded levers rather than T-handle nuts. Simply pull down on the levers, slide the clamps along the channels and into place under your bed rail lips, and release.

Shut the tailgate and make sure the cover is properly centered. With the cover installed and your tailgate closed and locked your truck bed and cargo are secure.

Convenient Folding Design

Tonno Pro Hard Fold Design

The Hard Fold's tri-fold design lets you easily access your truck bed. And since the cover sits on top of the truck bed rails, you have access to the full width of the bed when it is folded up. The cover's center and rear panels fold up for access to two-thirds of the bed, and you can completely remove the cover in seconds for full truck bed access.

To fold back the cover, open the tailgate and release the rear clamps by pulling them down to release them from the truck bed rail lip. Fold the clamps back and slide them down the channel so they won't be in the way when you fold back the panels. Fold the rear and center panels up to store on top of the front panel. Snap-clips built into the cover at the cab connect to straps on the folded panels and hold them in place as you drive. Folding up the panels allows you to haul large cargo or tow a fifth-wheel trailer without the need to completely remove the cover.

If you do need to completely remove the cover for full bed access, simply reach under the front panel and unscrew the T-nuts to release the front clamps. Slide the clamps down the channel and remove the cover.

Sturdy, Weather-Resistant Construction

Tonno Pro Hard Fold Cover Construction

The Hard Fold is constructed of durable materials, including an aluminum frame, 3 solid aluminum panels, and a double-sided black vinyl skin. The cover is also rated to hold up to 350 lbs of evenly distributed weight so it can withstand heavy snows and other loads.

The combination of a flexible skin over the rigid aluminum panels allows the cover to provide an elevated level of protection for your cargo while maintaining its appearance. If a baseball, hail, or other damaging object hits the cover it may dent the panels but the skin will hide the damage. This ensures your cargo is protected and the cover remains looking new and sharp.

The skin is made of 24-oz vinyl with a black, textured finish that is tear resistant. It has been treated to resist mildew, rot, and UV rays, and it has been tested to withstand extreme temperatures of -40 to 210 degrees F. It is double-sided so the bottom of the cover has the same protective coating as the top. This protects the underside of the cover from the elements when it's rolled up.

The frame and panels are made of lightweight, rustproof aluminum with a black epoxy powder coat finish. The epoxy coat is longer lasting when compared with traditional powder coating. The panels cannot be cut or torn open so the cover offers additional protection for your cargo.

Tonno Pro Lo-Roll Cover Stitching

The Hard Fold has strong seams with marine-grade Terelyne stitching. This specially coated thread swells to fill the stitching holes during manufacturing so it's more difficult for dirt and moisture to seep through the seams. For added strength, the Hard Fold also has 4 stitches per inch compared with the industry-standard 3 stitches per inch found on most comparable covers.

Weather-Tite Q Seals Keep Out the Elements

Tonno Pro Tonno Fold Q Seals

The cover has Weather-Tite rubber Q seals along the front cab rail, side rails, and tailgate channel to form a water-resistant barrier for your truck bed. They are constructed of a 1/4" thick round seal with 2 tails to form a more durable and tighter seal than standard foam seals, and they're designed to withstand cold, heat, salt, and UV rays.

Tonno Pro Tonno Fold Cover Corners

The Hard Fold includes multiple additional seals to help create a truly water-resistant bed for your cargo. A thick, weather-seal flap is sewn into the front of the cover to stop leaks at the cab. A Sure Seal tailgate seal creates a barrier against dust and moisture at the back of your truck. The corners are protected by 1/4" thick foam pads and reinforced glass-filled nylon pieces designed to last and resist impacts. And if your truck has factory plastic bed caps, a bulkhead filler gasket is included to fill the space between your cab and the truck bed to keep out water.

Accessory Bundle

Tonno Pro Lo-Roll Accessories

The cover comes with 4 handy accessories include a pair of Pro Gloves to protect your hands from dirt and grime. They feature beaded palms to improve grip and elastic at the wrists for a tight fit. The Sure Seal tailgate seal attaches to your truck's tailgate to protect the bed from dust and moisture. The Tonno Torch is a small but bright LED light. It comes with a Velcro fastener so it can be attached anywhere in your truck bed or wherever you need light. A bottle of Pro Clean is also included to keep your cover looking like new. Pro Clean is a spray cleaner with UV inhibitors that is designed to clean, condition, and protect the vinyl tonneau skin.

HF-251 Tonno Pro Hard Fold Tonneau Cover - Folding - Vinyl Top - Aluminum Underbody

This Product Fits The Following Vehicles

Video of Tonno Pro Hard Fold Hard Tonneau Cover - Folding - Aluminum and Vinyl

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Tonno Pro Hard Fold Tonneau Cover Installation - 2016 Ram 1500

Today we'll be taking a look at and showing you how to install the Tonno Pro Hard Fold Tonneau Cover, part number TPHF-251. The Tonno Pro aluminum folding Tonneau cover is a perfect solution to help conceal any valuables that you may have in your vehicle's truck bed. It also has a vinyl cover over the top that will help prevent any weather from getting inside your truck bed. The hard folding aluminum with the vinyl cover is strong and durable and the vinyl cover here helps to cover up any hail damage or damage from heavy snow. The vinyl is a 24 ounce marine grade cover with moisture wicking stitching that's going to help prevent any moisture from leaking into your truck bed. The 60 63 aluminum frame has the aluminum that provide extra protection. The easy clamps make for a quick installation and removal and there is no drilling required. The weather tight rubber seals withstand cold, heat, and keep moisture out of your truck bed.

The truck bed cover folds up two thirds to allow for open space in your truck bed. Just be sure to buckle it in. Built-in to this tri fold Tonneau cover is a large bulkhead seal that will help to keep out water and other weather. The cover is rate to hold up to 350 pounds evenly distributed. The frame has a limited lifetime warranty while the vinyl has a 10 year warranty. This Tonneau cover mounts on top of our truck bed rails and measures about 1 and 2 quarter inches in height. Now that we've gone over some features we'll show you how to get these installed.

We want to make sure that our weather strip is on the outside of our bulkhead so we don't have any rain or snow getting inside our truck bed. We'll start by lining this up and setting it in place. Now with that in place we'll fold out our cover and make adjustments as we need to. Now we're going to spot check it, make sure it's even from side to side and even from front to back. Perfect.

Now we can go inside, fold this up, and secure our first clamps. We have our clamps here that are going to fit around our bed rails and we have our nylon coated lock nuts that are going to prevent our clamp from slipping. We'll just come up here and we'll start to tighten this down. We want a nice, secure fit but we don't want to over tighten. Now we'll repeat that same process on the other side. With our front clamps installed we'll roll out our bed cover and secure the back clamps. Our clamps here in the back fold up so that when we roll up our Tonneau cover we don't have it damaging that top vinyl portion.

To install it we'll just pop these down, slide them over, and fit it underneath our bed rail. These are also adjustable to fit the different size bed rails. Now we'll just repeat the same process on the other side. I'll just double check my alignment here. If we need to make adjustments we can do so at this time, but we're ready to hit the road. That's going to complete our look at the Tonno Pro Hard Fold Tonneau Cover, part number TPHF-251.

Customer Reviews

Tonno Pro Hard Fold Hard Tonneau Cover - Folding - Aluminum and Vinyl - TPHF-251

Average Customer Rating:  4.1 out of 5 stars   (11 Customer Reviews)

Hard, folding tonneau cover protects truck bed and cargo from the elements. Dual-sided vinyl skin and aluminum panels offer strength and security. Tri-fold design allows partial bed access. Comes fully assembled. Includes 4-piece accessory bundle.

- TPHF-251

Great cover,fast delivery and fits great as advertised. A year of traveling and still looks new.A lot of rain and sun and still dry. 785674

- TPHF-156

Review from a similar Hard Fold in Tonneau Covers

I recently bought numerous items from etrailer, including a tonneau cover, tailgate lock, tailgate assist, towing mirrors, and more. The only problem I had was with the mirrors not fitting my mirrors. The customer service rep, Rachael, went above and beyond the call of duty in assisting me find the solution. I find the products of good quality, the people I talked with were very nice and helpful, and I will certainly continue buying from etrailer. 432339

- TPHF-362

Review from a similar Hard Fold in Tonneau Covers

Shipping was fast and although bulky with well worn packaging, it arrived with no damage whatsoever. After owning four trucks I realize there is no perfect bed cover. A cap gets in the way when loading bulk materials, single piece hard covers are a pain when loading washing machines and refrigerators, soft covers lack security, and hard folding covers like this one take up a lot of space compared to roll-up covers. This one at least removes quickly with no tools when you need to change it up. It was also one of the few hard covers still available for an old body style Ford pickup, and relatively inexpensive to boot. It keeps most of the water out and paired with the bed mat things stay dry. I'm happy with this purchase. 545565

Update after a year: it has worn well, comes on and off easy, and keeps the bed pretty dry. I would buy it again.
Brian - 07/24/2019


- TPHF-250

Review from a similar Hard Fold in Tonneau Covers

Keeps weather out of cargo area so my string bass won't get wet. Provides security and privacy. Good price as compared to fiberglass or steel. And relatively easy to remove when the need arises. I don't drive enough to verify whether mileage increases, but it should, eliminating an air dam. 590056

- TPHF-550

Review from a similar Hard Fold in Tonneau Covers

Bought my TonnoPro cover about a year ago and have had no problems at all. Tremendously easy to install. Always bone dry even during the CT tornado!! Would recommend this product to anyone. Next item to order will be a tailgate lock for just a little more piece of mind. Great product!! 562236

- TPHF-353

Review from a similar Hard Fold in Tonneau Covers

I have had the cover for a year and the outsite is wearing well but there is a BUT. I do not load and unload allot so I dont have to take the cover off much and the clips at the bottom on the cover have broken twice and are low quality. The bottom bar rail that the lower claps attach to are bent and do not look like they will last very much longer and again I have maybe taken this cover down 12 times. 2nd the cover splits in 3 sections so if you leave the cover on a third of the bed in not usable which isnt a huge deal but its a con. 3rd if you fold the cover and latch the cover to the front the clamps damage the top of the cover so I end up using rubber pads to lay below the clamps. All in all the cover is pretty nice looking and effective also half the price of other covers. The design and quality issues are there tho. If you load and unload allot this cover will not last so keep that in mind... 820798

- TPHF-254

Review from a similar Hard Fold in Tonneau Covers

it came with a small cut on the right edge. I like the cover its exactly what i wanted but the hold downs are pretty cheap and one keeps popping out of the track. also i tried to register it with the manufacturer and was unable to some how due to buying it from you other then that its great 795298

- TPHF-158

Review from a similar Hard Fold in Tonneau Covers

I have owned my truck bed cover for one year and I am very pleased with it quality and functionality. I would purchase it again. 707923

- TPHF-562

Review from a similar Hard Fold in Tonneau Covers

Hold down ares fell off , if it had a double lock nut at end so if it cam unhooked it couldn't vibrate off it would have helped , other than that its work well 673955

- TPHF251-299

Review from a similar Hard Fold in Tonneau Covers

This product is extremely cheap after a little while parts start to loosen and will never tighten the way it did when it was new. Do not like it. 636624

- TPHF-150

Review from a similar Hard Fold in Tonneau Covers

Very nice bed cover !! 560595


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Info for this part was:

Edited by:
Tyler C
Expert Research:
Michael H
Video Edited:
Jacob T
Test Fit:
Hayden R
Written by:
Ronnie R
Video by:
Jonathan Y
Updated by:
Mark S

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