This is a high quality machined truss rod wrench. 3 different size: 0.25inch/6.35mm, 0.27inch/7mm, 0.31inch/8mm inner dimension nut screwdrive for truss rod adjustment.
Set for most kinds of acoustic guitar, electric guitar and bass. 6.35mm pocket truss rod wrench fits for most Taylor guitars that adjust on headstock while not soundhole. 7mm wrench fits for some PRS (Korea), IBANEZ (Japan), JACKSON (Japan). 8mm wrench fits for some American Gibson electric guitars, PRS (USA), ESP (Japan) and more.
For locking hexagonal screws on the bridge, adjusting the guitar neck. The long handle length help access the truss rod cavity easily, and precisely tighten or loosen your guitar's truss rod.
Made of alloy material, durable and highly wear-resistant, which can provide you with good use experience.
Wrench Size:The size of the nut driver is 1.18inch/30mm, 0.79inch/20mm, 0.79inch/20mm, the total length of this guitar neck box repair wrench is 3.15inch/80mm. 100% brand new.