Musiclily Pro Hardened Steel 6.35mm 1/4 Inch Hex Socket Box Wrench Nut Driver for Guitar Bass Truss Rod Adjustment

For guitar bass truss rod adjustment, like Taylor-All Models With Truss Rod at Headstock/Big Baby (Pre-2012)/Nylon String Models (Pre-2012), Deering Banjo, Rickenbacker Hex wrench inner hole diameter: 6.35mm(1/4 inch). Total length: 175mm(6-57/64 inch). The hex key is adjustable and removable Made of hardened steel, precise machined, high strength, stable and durable, good wear resistance, resistant to stripping or breaking Non-slip aluminum alloy handle with end caps, comfortable to grip and easy to use. Each handle marked with clear size for easy identification and use, also with set screw for easy length adjustment Package includes: 1 piece wrench, Weight: 0.220462262 pounds, Manufacturer: Musiclily