1、Files are used for polishing and repairing guitar neck fret. Leveling ruler is used to measure the unevenness of the filaments. 2、Fingerboard guard plate used to polish and repair the fret of fingerboard, protect the fingerboard from damage. 3、The guitar fret file is made of stainless steel, strong and durable, not easy to rust, smooth surface, used to polish the guitar fret. 4、Suitable for the cleaning, maintenance and repair of stringed instruments, so that your instruments can maintain good performance. 5、With a carry cloth bag, small size, guitar repair tool set can be easy to carry out, easy to use and practical. 1 x File1 x Graduated Scale1 x Strings Action Ruler 2 x Guard Plate3 x Hex Wrench3 x DIY File1 x Leveling Ruler 1 x Screwdriver1 x 3 in 1 Tool1 x Measuring Scale1 x Knife Box1 x Cloth Bag Item Type: Guitar Repair ToolMaterial: Metal+Stainless SteelColor: As shown in the pictureFile Size: Approx. 18.5x 1.5x 0.4cm / 7.3x 0.6x 0.2in Leveling Ruler Size: Approx. 10.5x 5.1x 0.2cm / 4.1x 2.0x 0.1in 3 in 1 Tool Length: Approx. 12cm / 4.7inDIY File Length: Approx. 14cm / 5.5inStrings Action Ruler Size: Approx. 8.5x 5.4cm / 3.3x 2.1in Graduated Scale Size: Approx. 15cm / 5.9inHex Wrench Diameter: Approx.3mm / 0.12in, 4mm / 0.16in, 5mm / 0.20inScrewdriver Length: Approx.12cm / 4.7inMeasuring Scale Size: Approx. 7x 6.5x 0.75cm / 2.8x 2.6x 0.3in Knife Box Size: Approx. 7.5x 2.8x 1.3cm / 3.0x 1.1x 0.5in Weight: Approx.492g/ 17.4ozApplicable Instrument: GuitarApplication Method: Repair tools for professional musical instrument guitars, please operate by professionals.