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Search over 75 researched Acoustic Guitar, Electric Guitar, Bass, Banjo, & Ukulele Truss Rod Wrench Size Specs to help with your Truss Rod Adjustment. 

Brands researched for the correct truss rod wrench size include: Fender, Gibson, PRS, Martin, Taylor, Yamaha, Breedlove, Charvel, Godin, Gretsch, Guild, Ibanez, Jackson, Peavey, Rickenbacker, Schecter, Takamine, Cordoba, Suhr, Knaggs, Epiphone, Musicman, and 50 more.

Models researched include Fender: Stratocaster, Telecaster, Squier. Gibson: Les Paul, SG, ES-335. Taylor 814, Martin D28 and many more.

Brands researched by country: USA, Korea, Indonesia, China, Japan, Mexico, Canada, UK. 

Recommendations on wrench sizes for each brand are given including Socket Wrenches: 1/4", 5/16", 8mm, 7mm plus Allen Key Wrenches: 5/32", 1/8", 3/16", 9/64", 4mm, 5mm and other specialty wrenches for spoke wheels.

What are people saying? "I was just last week trying to get the wrench size I needed for my Epiphone Les Paul Custom Koa. It took a week for Epiphone to reply and in just 15 seconds with your easy to use tool.” musician Walter Huhn emailed us.