Jack The Gripper

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Jack The Gripper

Item # 0814
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Jack The Gripper

About This Item

Ingenious! Holds the jack steady so you can tighten/loosen the nut without disassembling your instrument or amp.

A loose nut on a 1/4" jack is trouble. It's no fun to watch the jack disappear into your guitar or amp as the nut falls off, or to break a solder connection when you tighten the nut and the jack turns with it.

Designed by veteran repairman Frank Ford, Jack The Gripper is a smart tool that can save you a lot of time and work. Insert it into the jack, and the knurled cam locks in either direction, to hold the jack firmly while you tighten or loosen the nut.

Recessed jack? No problem—the tool also includes a clever adapter for use with your 3/8" square drive socket.

Instructions included.


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  • 4.87 average rating from 47 reviews
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Brilliant solution!

(Customer's Reviews)

It seems a little pricey for something so simple that might not use often (at the moment). Though, it's a brilliant tool compared to the solutions I've come up with in the past. It's well worth the cost to save fighting the frustration caused by an angst-ridden jack that won't stay put, wants to twist up or break your wiring.

It took me a couple of tries to get comfortable with how it works--insert, turn. After that I was unstoppable! I tightened every jack in the workshop, then the house, rehearsal studio... I even put an ad up on CL: "Jacks tightened free with every modestly priced snow cone!"

On a side note I'm actually torn on naming products after serial killers, but I probably do plenty of other insensitive things. I'm also bad about naming things anyway. Just ask my cat, Mr. Spriggs. She loves that name...


Thank you Frank Ford.

(Customer's Reviews)

What a wonderfully fertile mind to come up with this critter. Thank you, Frank.


A Great Time Saver

(Customer's Reviews)

I read many of the reviews before I purchased this tool. Like one of the reviews, sure enough I was playing around and inadvertantly loosened the jack on one of my guitars! Tightened it back up with no problems. It worked flawlessly on an end pin jack on an acoustic I was fixing. It also was the only way I could tighten up a cheap jack that was just spinning with all my other wrenches. The only draw back - it's not a cheap. However I cannot deny, it works great!

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StewMac PDF Catalog, page 29 See Jack The Gripper
on page 29 of our StewMac Catalog PDF

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