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Your cart is empty.OTC's 5/16" Battery Terminal Wrench is designed for use on GM side-terminal batteries or any 5/16 inch hex head battery bolt - perfect for the tight spaces often found under modern vehicle hoods. This handy wrench features a 6 pt. ratcheting wrench end and a 5-1/2 inch long insulated handle. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.
Adib Melhem
Reviewed in the United States on June 20, 2024
Very good
KeithJ
Reviewed in the United States on May 10, 2024
Battery installation!
Emschaub
Reviewed in the United States on June 21, 2023
Our vehicles are rolling computers and sometimes need an easy way to unplug the thing. This works well.
Michael Thomas
Reviewed in the United States on November 26, 2023
This works well enough, it would be better with a finer ratchet though, some times there;s not enough room to get another "bite" so you have to use it as a non ratchet wrench.
SPurr
Reviewed in the United States on February 1, 2021
I have a pickup that drains the battery if it’s not driven regularly. Since it’s not my primary vehicle, that happens a lot. The cheapest solution is to disconnect the battery when the truck is not in use. This tool makes it so much easier that, in my opinion, it paid for itself after just one use! So glad I bought it!
Melissa Horne
Reviewed in the United States on October 27, 2021
Exactly what we needed. Quality product, Good price, exactly as described
Customer
Reviewed in Canada on December 18, 2020
works very well
Gustavo Esparza
Reviewed in Mexico on December 14, 2020
Funciona
Charles
Reviewed in Canada on March 4, 2019
Works as expected. No complaints about it. At this point writing the review, I've had it for several months, used it on a handful of occasions, seems to be just great. Nice that the handle is plastic-coated on the off-chance that on a small battery, if the user isn't paying close attention, you won't end up shorting and spraying sparks and excitement all over the place like when might happen with a regular wrench.
andrew
Reviewed in Canada on July 17, 2018
This is a must have for anyone with the GM side terminal battery posts. On my yukon could not fit a ratchet and socket this makes it a breeze.
Chris
Reviewed in the United States on February 11, 2018
The phrase “the right tool for the job” comes to mind. I always made do with the tools I had to swap batteries. Whether it be a wrench, pliers, channel locks, vice grips etc and I would get the job done. Holy cow! This little wrench made the job go by 10x as fast. Fitting the battery bolts perfectly so no more rounding off the corners. And for such little $ I wish I had this in the past. Def worth the purchase.
Dice
Reviewed in the United States on May 24, 2014
I have purchased is battery wrench as I call it for the portable toolbox that I carry in my vehicle for emergency repairs since I am a mechanic. This comes in very handy rather than working with a wrench, or a ratchet and socket. The insulated handle is very nice, and comfortable.However, I dock one star because of the ratcheting mechanism. It isn't very smooth. I have a Craftsman in my primary toolbox, which ratchets a lot better. However, this one works fine for a spare and doesn't get used all that much.All in all, if you need something cheap, get this one. It works fine and as it should.
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