Features 1、Each model is equipped with a screwdriver at the end. The fixed screwdrivers are all 5mm/0.2in thick, and the size of the head cover screws are different. 2、Used for folk/electric guitar DIY parts accessories, pipe shape design, built‑in hexagonal adjustable keys, made of high‑quality iron materials, and has high wear resistance. 3、Iron guitar hexagon wrench, fine workmanship, smooth surface, high gloss, used for guitar neck repair and maintenance tools. 4、6.35MM model is suitable for Taylor most folk guitar series. If you are not assured, please choose according to your actual size 5、The 7MM model is suitable for PRS of Korean‑made, for Jackson of Japan‑made, for Taylor and for Ibanez of Japan‑made guitars. Please choose according to your actual size. 6、The 8MM model is suitable for Gibson some American‑made, electric guitars and for ESP of Japan‑made electric guitars. Please choose according to your actual size. Specification Item Type: Guitar Rod Wrench Material: Iron Model: 7MM, 8MM, 6.35MM Size: Approx. 8 x 2cm/3.15 x 0.79in Package List 3 x Guitar Rod Wrench