Description: Fret File - With same filing size on both 2 edges, narrow fret crowning file after leveling. Fit for most fret specification on the markets such as electric guitar, acoustic guitar ,bass, Ukulele etc. Fret Rocker and Fingerboard - The Fret rocker has 4 flat and straight edges, which can help your to detect any discrepancy existing in frets height.The fingerboard designed to protect your guitar or bass fretboard from scratching or damaging while filing and polishing Grinding Stone - Professional tool for polishing saddle, nut and frets Good Helper for Guitar Repair Maintenance Tool User-friendly guitar care kit repair tools Specification: Fret File:Size: filing surface is 4 x 3.2 in Guitar fret rocker: 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 Fingerboard guards: Size: 3 x 0.8 inch and 3 x 0.5 inch Grinding stone:Size: 3.9 x 0.4 x 0.4 inch/ 10 x 1.1 x 1.1 cm Colour: Silver, Rrange, Black Material: Stainless Steel, Plastic Package Includes: 1 Piece Round bar file 1 Piece Fret File 1 Piece Fingerboard 2 Pieces Grinding Stone 1 Piece 2-hole Triple-cornered ruler 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 allowed error is +/- 1-3cm.