ITEM NAME:Guitar Luthier Tool Kit Include Fret Guitar String Winder Fret Crowning Fil V3D2 ☆★ Product Details ★☆ Guitar Luthier Tool Kit Include Fret Guitar String Winder Fret Crowning Fil V3D2 Fret Crowning Luthier File - Made of stainless steel matrial. The file has the same filing size on both 2 edges. 4 inch long filing surface and rubber handle for comfortable use. Fret Rocker & Fingerboard Protectors - Made of stainless steel. fret rocker is used for fret height measuring, Accurate straight edges can help your to detect any discrepancy existing in frets height. Fingerboard Protectors is designed to protect the fingerboard when doing work on your fret. Prevents scratching or damaging to guitar or bass fretboard when filing and polishing frets. 2Pcs Grinding Stone - Come with 2 colors. Professional tool for polishing saddle, nut and frets Color:Black Specification: Guitar String Winder: Color:Black Material: stainless steel and ABS plastic Size: 12 x 5 cm/4.7 x 2 inch Fret file: Color: silver and orange Material: stainless steel and rubber Size: 18.5 x 1.5 cm/ 7.3 x 0.6 inch (L x W) Fingerboard guards: Material: stainless steel Size: 3 x 0.8 inch and 3 x 0.5 inch Guitar fret rocker: Material: stainless steel Color: steel color Size: 10.3 x 5.1 cm/ 4 x 2 inches Thickness: 2 mm/ 0.08 inch 4 side size: 4 inches/ 10.3 cm, 2.9 inches/ 7.5 cm, 2 inches/ 5 cm, 1.3 inches/ 3.3 cm Grinding stone: Material: 2 x grinding stone Color: Light green, Orange Size: 3.9 x 0.4 inch/ 10 x 1.1 cm Package includes: 1 x Guitar String Winder 1 x Guitar fret crowning file 2 x Fingerboard guard 1 x Guitar fret rocker leveling 2 x Grinding Stone