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1-7/8" SAE shallow socket with a 3/4" drive should be used with a compatible socket wrench (sold separately) to apply torque when installing a hitch ball on a ball mount or weight distribution head. Steel construction resists corrosion.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we'll be taking a look at the Powerbuilt inch-and-seven-eights three-quarter-inch drive socket, part number ALL643216. This socket is ideal for tightening down hinge balls to ball mounts, or weight distribution heads. It's a three-quarter inch drive, so you need to be sure that you have a three-quarter inch drive torque wrench, or an adapter. It's a twelve point oversized socket, and it's built to exceed tool standards. This socket features a lifetime warranty. Now let's go ahead and show you how to use it in a typical situation. We've got our weight distribution system here and we need to torque down our ball.
In order to gain access to it, we're going to go ahead and flip it over, so we can gain access to the nut. As you can see, putting a pipe wrench down there, or any other type of wrench, would be virtually impossible. That's where this socket comes in handy. Lets go ahead and drop the socket in, make sure it gets situated. Then we can take our torque wrench and put it into position.
We'll want to set the torque wrench to whatever our manufacturer recommends for our ball mount. Now we can immobilize the other side of our ball, and begin torquing. If need be, it's not a bad idea to get an extra set of hands to hold your other wrench. Looks like we've got it. Now we can flip it over and continue setting up our weight distribution, or, if this was just a standard ball mount, we'd be ready to tow. That's going to complete our look at the Powerbuilt inch-and-seven-eighths socket with a three-quarter-inch drive, part number ALL643216.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Joseph K.
4/5/2026
After a year of use I can say this hitch has worked flawlessly for all our camping trips. The sway control has been a godsend, as we have lots of crosswinds in west Texas. We have noticed the L-pins will wear and bend, but there are inexpensive replacements. You can buy heavier-duty pins, but the won’t fit the holes in the frame brackets. Everything else has held up well. It took a little fine-tuning with the hitch angle to get the best performance, sway control, and trailer leveling. Our trailer max gross weight fully loaded is about 7500 lbs and an 830 lb tongue weight. We’re very pleased overall and would buy this product again.
Steve
8/26/2020
One year update. After using the socket for the last year to check torque, all is as l would hope. No problems using to keep a check on the 430ft pounds required by manufacturer. Looks new. Has a good finish on the socket. No rust marks anywhere. Expected to last years with care.
Jenny N.
2/4/2022
I reached out to the manufacturer and they have not had consistent reports of this socket being incompatible with Equalizer balls. Equalizer does make a socket that is made for their WD systems. It is part # EQ70-00-4800. It is important to use a ratchet with a three quarter in socket for installation.
Jack
4/5/2020
Have pulled my 12,000lb toyhauler over 8,000 miles with the new ball and Equalizer system and some of the highways got surprisingly rough with no warning, which really took our rig on a bit of a roller coaster ride a few times but the ball and hitch system worked perfectly. Still like my purchase after putting it through some real world conditions.
Smithsonite
11/30/2023
Used it once to attach the ball. Will probably include it with the Equalizer hitch when I sell it.
Jason S.
3/21/2020
Great! This is a lifetime part. After pulling my TT 6,000 miles if only had to tighten once using this product
Ronw
4/14/2020
I have no problems with the socket after using it several times in the past year. It works very well, and is worth the price.
Drpcfix
6/11/2020
Ball stayed tight from NY to TX and back. What more could you ask for!
Victoria H.
3/12/2025
I'm happy to hear we were able to turn this experience around for the better for you, Jesse!
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Gwendolyn Y.
4/7/2025
That's a pretty inventive way to do it! I know for sure this will help someone else down the road and they will be thanking you, Joseph!