This is a good knurled nut wrench for 5/8" size knurled nuts. It is too large for 1/2" knurled nuts. It is made for the larger spaced knurls as on switchcraft style toggle switches and simular styles where the knurls are like coarse threads. One reviewer shows it being used on HP test equipment. It is not the right size for those nuts as the knurls are more like fine threads. Since it doesn't fit my intended use, but is a good wrench, I only give it 4 stars.
This wrench works great for tightening toggle switches. However, if you don't have access to the back side of the switch - like in a hollowbody, it can twist a bit when you're tightening. This results in some trial and error, especially with a Gretsch, where you want to align multiple switches.
Right out of the box, I put it to use & It works flawlessly! Now I have the right tool for the job.
It is safe for instrument and doing a job, all I need.
as electronic user (radio amateur) this wrench is very useful and i have never seen in electronics store .Useful also for BNC coax connectors used by Hewlett Packard and others on measuring instrument.
If you have a toggle switch on a guitar you need to get one of these. They work great and are super easy to use. Excellent tool!
Only four stars because it came with no instructions. It would seem that no instructions should be needed but I found out that even though it really is simple, I pulled the handle off before realizing how it closes/opens. When it arrived, the jaw sleeve was screwed back very tightly against the handle and hiding the threads making me think that you push down on the sleeve towards the guitar to close the jaws onto the nut instead of turning it. Well after I pulled the handle off (duh), closer examination showed that the sleeve is threaded and screws down until the jaws are tight on the nut, which makes more sense, instead of sliding. I was able to press the handle back on, break the sleeve threads loose and use as advertised. With that said, I would easily give the actual tool five stars now that I've used it. But still a simple piece of paper showing where to turn the sleeve would help. And to think, I'm a licensed airplane mechanic, heh. I just hacked at it without really looking first. The sleeve being screwed back so tightly threw me off. I've used it now to pull the switches on my two SG's and my Les Paul to clean the contacts thoroughly and it works great. Over the years, I've managed to chew up a nut or two and wish I'd had this long ago. Buy it, use it; you won't be sorry.
Works well on all toggle nuts I've tried it on. MUCH better (& more safe) than a pliers!
Making a wiring mod on the "standby switch" of my Gretsch Country Gentleman meant, of course, removing the switch. I bought the Stew-Mac #1699 Adjustable Toggle Switch Wrench, as it looked like the most reliable. Other plastic ones look like they'd strip in time, etc, and provide no variability in bit size. (I also have Gibsons & other guitars using the same style switches.) Masking around the switch to avoid scratching, I easily & quickly removed it, and the wrench even revealed another benefit: it held the knurled nut so securely, I just left it there until I replaced it, and never had a chance of losing it. This tool worked perfectly, and I feel it was a good investment. It may cost more than others, but your guitar is worth it!
I bought this for use on the knurled mounting nuts on Echoplex delays. The "sound on sound" switch is secured by a knurled nut. The standard Les Paul size wrench wouldn't fit. This wrench works great - gets the job done and the quality of the tool is good. Highly recommened.
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