Bullet Guitar Jack Tightener

  • 11 Reviews
  • Write a review

Tighten jacks on guitars or amps without taking anything apart!

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Bullet Guitar Jack Tightener

Item # 3545
In stock, ready to ship!

$11.99

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Quantity: 20

Product Details

Tighten jacks on guitars or amps without taking anything apart!

The Bullet™ Jack Tightener works from the outside to prevent twisting and shorting the wires on the inside. Simple and inexpensive, it's a pocket-size fix for loose jacks in guitars and amps.

Tighten (or loosen) your guitar's jack in three easy steps:

  • Put the socket head over the 1/2" nut.
  • Press the rubbery Grip-Tip™ into the jack to hold it.
  • Turn the tightening handle. Easy!

Fits US-sized 1/2" inch nuts for 1/4" inch jacks.

The Bullet is smooth molded plastic, so it won't scratch your guitar or amp hardware.

Professional repair shops: also see Jack The Gripper.


Ratings & Reviews

Bullet Guitar Jack Tightener

  • EXCELLENT PRODUCT
  • GOOD PRODUCT
  • AVERAGE PRODUCT
  • FAIR PRODUCT
  • POOR PRODUCT
  • Based on 11 Reviews
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Bullet guitar Jack Tightener

By Tom Lindl Guitar & Entertainment from Canada
(Customer's Reviews) Thursday, May 08, 2014


This is a great little inexpensive tool that saves a lot of time in my repair shop and with my own personal guitars and students' guitars. No more removing access plates to enable me to hold the jack in place and keep it from spinning while I tighten the nut on the jack. My only reservation is that some brands of guitars (some Epiphones and various Asian imports) have a smaller jack nut that this tool does not fit. I wish there were 2 sizes to accommodate these smaller nuts.

Less than versatile

By Dan Pessell from Cincinnati, Ohio
(Customer's Reviews) Tuesday, March 11, 2014


The product feels insubstantial (like many budget string winders, feels like it could snap too easily). In addition, does not work well on all amp jacks (particularly those with dome-topped nuts).

Easy to use

By BruceD from Tennessee
(Customer's Reviews) Thursday, March 06, 2014


Product is easy to use and a very handy asset in my cases.

Not very happy with this

By Bryan Kam from Hong Kong
(Customer's Reviews) Tuesday, January 28, 2014


I am not quite happy with this. I was trying to use this to tighten the input jacks on my Roland JC120 amp and Hartke HA5500 Bass Amp and I cannot use this thing to get the job done! If this is advertised to be able to be used on amp jacks (apart from the strat output jacks), I suppose I can do the job with this little gadget but it failed. The plastic materials used for this seems too soft to really hold the bolt tight, or perhaps I was not well informed/instructed to use it properly? I think some more user instructions are required.

small let down

By DV w/ PRS & LP from Canada
(Customer's Reviews) Wednesday, January 22, 2014


I bought three, one for each guitar case I gig with, just in case I lose one. I was let down by the build quality. The plastic isn't as hard as I'd expect it to be for its designed purpose. I was surprised at how soft the plastic was to be perfectly honest. I suppose it can serve as a "quick fix" until you can get your baby home and fixed by the proper tools. Id recommend the Jack the Gripper Hand Tool over this Bullet version.

Works Great

By Arthur Jackson from USA
(Customer's Reviews) Sunday, December 08, 2013


This is an absolute must for anyone who has a Strat!

Very Good

By pablopuerto from Chile
(Customer's Reviews) Thursday, September 12, 2013


It does the jobs for a good price.

Cool Tool

By Billy W. from N.J.
(Customer's Reviews) Friday, March 29, 2013


You want one of these. Turns a real PITA procedure into a 1-2-3er.

the next best thing to being there

By mark dearborn from mirror lake nh
(Customer's Reviews) Sunday, March 03, 2013


I still like my "Jack the Gripper" best but since I'm not at both shops at the same time ...and my tools are off limits, the boys can fix one of the most common problems on electrics without involving me (-:

Bullet Guitar

By Jeff Sacree from Cornwall UK
(Customer's Reviews) Wednesday, February 20, 2013


Great little Gizmo for doing a fiddley job. Jeff Dirtbox Guitars UK

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