Set2: 1 x Neck Adjustment Nut Bridge File Set + 1 x Neck WrenchThe neck wrench fits Taylor guitar.7mm internal socket screwdriver to adjust the frame rod.1/4 inch Phillips screwdriver to remove the cover screws. Made of high-density steel. Fine workmanship, smooth surface with high gloss. Universal for stringed instruments, guitar, mandolin, bass, ukulele and banjo etc.13 round files with different dimensions for polishing the string grooves and makes the string groove very smooth.1 flat file for polishing nut and bridge. Made of high-quality metal, compact and resistant. Small size, convenient to use and carry. Internal Socket Screwdriver Size: 7mmCross Driver: 6.35mmNumber of Files: 13 Round Files & 1 Flat FileProduct Size: 7.7 x 3 x 1.5 cm / 3.0x1.2 x 0.6 inchMaterial: MetalColor: Blue/Silver Package Contents: 1 x Bridge File Adjustment Nut Set1 x Neck WrenchOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.