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Master Lock Covered, Solid Body Padlock - 3/16" Diameter Shackle
Master Lock

Master Lock Covered, Solid Body Padlock - 3/16" Diameter Shackle

Part Number: 131D
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$8.39
Retail:$17.45
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Padlocks
Master Lock 3/16 Inch Diameter Padlocks - 131D
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Guard your gear against theft with this hardened steel padlock. The lock has a scratch-resistant vinyl coating and offers 4-pin tumbler security to deter lockpicking. Includes convenient, color-coded key. Great Prices for the best padlocks from Master Lock. Master Lock Covered, Solid Body Padlock - 3/16" Diameter Shackle part number 131D can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (51)
  • Q & A (0)
  • Videos (1)
  • Photos

Master Lock Padlocks - 131D

  • Universal Application Padlock
  • Keyed Unique
  • 3/16 Inch Diameter
  • Master Lock
  • Steel

Guard your gear against theft with this hardened steel padlock. The lock has a scratch-resistant vinyl coating and offers 4-pin tumbler security to deter lockpicking. Includes convenient, color-coded key.


Features:

  • Corrosion-resistant, hardened steel construction ensures strength and durability
  • Stylish, scratch-resistant vinyl covering
  • 4-Pin tumbler security deters lockpicking
  • Color-coded key includes black cover for easy identification on your key ring


Specs:

  • Lock body: 1-3/16" wide
  • Shackle diameter: 3/16"
  • Shackle opening: 5/8" tall x 9/16" wide
  • Limited lifetime warranty


131D Master Lock Covered, Solid Body Padlock - 3/16" Diameter Shackle





Video of Master Lock Covered, Solid Body Padlock - 3/16" Diameter Shackle
Video Thumbnail Video Player Dialog

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




Video Transcript for A Closer Look at the Master Lock Covered Solid Body Padlock

How's it going, neighbors This is Ed here with etrailer.com, and today we're gonna check out the Master Lock Padlock. This guy's gonna be one of the smaller ones. It is 1 3/16 inch, but it works for a lot of different uses. A couple of things that are cool with it, it's gonna come with two keys that are color lock to match if you have multiple padlocks. The shank itself is hardened steel, so that's gonna make it a lot more difficult for someone to cut through it, and we'll just go ahead and show you how this guy goes. Now we all know how to use padlocks, but this is gonna work for backpacks, firearm locks, you can use this guy right here for a wheel chock right here, just about anywhere.

The material that they use for the steel is corrosion resistant, so it's gonna hold up as well against all the elements of being outdoors. As far as the diameter of our shank itself, it's 3/16, so that's gonna give you a pretty good thing for little smaller diameters. Your overall height is 5/8 and then you're 9/16 wide, so this is gonna get work for those things within that capacity. You know it's steel so it's not gonna stretch, just keep in mind before you order it, and you can get a lot of use outta these little locks like I don't believe this one's TSA approved, but it'll work for any small, light-security situation. So again, this is Ed with etrailer.com taking a look at the Master Lock Padlock.

Have a great day.

Ratings & Reviews

4.5

51 reviews
Review sort icon
Guard your gear against theft with this hardened steel padlock. The lock has a scratch-resistant vinyl coating and offers 4-pin tumbler security to deter lockpicking. Includes convenient, color-coded key.

by:

Lock as expected.



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Works great



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Easy to use. Well made and a solid bar!



by:

Great product looks awesome on my Jeep !!



by:

The locks work well.



by:

I thought that they were going to be a more standard size and they arrived being much smaller than anticipated.



by:

This lock fits perfect in my swagman bike carrier to prevent bike theft. Also a great price.



by:

Broke after a few days or normal use….

Patrick profile picture

Patrick

10/6/2024

one broke after one day and the other a few days later...not good at all and to have one working after a year I would have needed to by 400 of them!



by:

Seems well-made and worked well. Not heavy-duty - simply keeps the honest people honest.



by:

Product was not as sturdy as I'd hoped. Service from etrailer.com was great!



by:

Fast shipping order complete in great shape
This is a great Bike Rack using to haul a Tndem Bike



by:

We love the service from etrailer.com! Fast delivery, great prices.



by:

It fits my BikeWing; however, it wouldn't take much for a determined bike rack nabber to snip it.



by:

The lock wasn't as big as I was expecting, but it will work great for my toolbox i'm putting on top of my roof rack. Good lock though!



by:

Package arrive and heard from Carol right away ... Love the swagman two bike carrier hitch type. Would buy again from etrailer Thanks Carol



by:

It’s just a small basic luggage lock that I purchased to use on my waterproof carrier bag. All the guys laughed at me using it because it’s not very substantial but I felt like using it will deter people from having a peek inside while I’m inside a restaurant or gas station on a road trip.



by:

This is a great little lock. It has a small enough diameter shackle to fit my Swagman bike rack and several other small hole items. Great lock for the price!



by:

Very solid hitch. Arrived in perfect condition with all the hardware needed. I watched the installation video for installation on my 2013 Taurus which was a big help. The installation went perfectly with only slight drilled hole modifications for bolt alignment. I did the installation by myself, and did not have the car on a lift, so it took about an hour and a half which was not bad, as most of the time was just disconnecting the exhaust and positioning the hitch. I would not hesitate buying another hitch for my Chevy and if i do, it will come from etrailer. Great company, EXCELLENT communications, and very fast shipment. Couldn't be happier. By the way, I also purchased the locking hitch pin, a bike rack, and padlocks all from etrailer. Very happy with these purchases too!!!!! If you are looking around for a better deal, just stop, and buy here, you won't regret it.



by:

I use to lock my hitch bolt to my receiving hitch, this way I know
my bike carrier will be on my car when I get back from a ride!!

John K

John K. profile picture

John K.

12/14/2020

AWESOME!!



by:

I purchased the Swagman XCT2 bike rack from you about 5 years ago and wanted a lock to secure my new bike to the rack. This lock fit's but doesn't lock the rack. It just comes apart with the lock attached.



by:

Perfect for locking the MaxTrax traction boards on the side of the Winnebago Revel camper van.

Lazer S. profile picture
Etrailer Expert

Lazer S.

11/4/2025

Glad they are keeping your traction boards nice and secure, Richard! And that's a pretty sweet camper van! Take it anywhere you needed those boards yet?


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Info for this part was:

Employee Tyler C
Written by:
Tyler C
Employee Adele M
Updated by:
Adele M
Employee Dustin K
Video by:
Dustin K
Employee Samuel H
Video by:
Samuel H
Employee Shane T
Installed by:
Shane T
Employee Ed W
Installed by:
Ed W
Employee Chad S
Video Edited:
Chad S
Employee Chris R
Video Edited:
Chris R

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