Item Type: Guitar Tool Set Used for: Guitar Material: Metal + polished stone Product Size: Polishing Stone: Approx. 10 x 1.2 x 1.2cm / 3.9 x 0.5 x 0.5in Gasket: Approx. 7.8 x 2.2cm / 3.1 x 0.9in /1.3 x 0.1cm / 0.5 x 0in 3 in 1 Length: Approx. 12cm / 4.7in Radial Ruler Specifications: 7.25, 9.5, 10, 12, 14, 15, 16, 17, 20 spacing ruler Scope of Application: 0.04-0.88mm Number of Blades: 32Pcs Metric Dimensions (mm): 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.25, 0.28, 0.30, 0.33, 0.35, 0.38, 0.40, 0.43, 0.45, 0.48, 0.50, 0.53, 0.55, 0.58, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.88 Inch Size: 0.0015,0.002,0.0025,0.003,0.004,0.005,0.006,0.07,0.008,0.009,0.010,0.010,0.011,0.012,0.013,0.014,0.015,0.016,0.017,0.018,0.019,0.020,0.021,0.022 , 0.023, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.035 Package List 9 x Radius Gauge 1 x Sander 1 x 3 in 1 Tool 1 x Measurement Ruler 2 x Gasket 1 x Spacing Ruler There is some anti-rust oil on the feeler gauge to prevent rust, please dont worry 1The rangefinder is made of high-quality stainless steel, which is anti-rust and corrosion-resistant, and can be used for a long time 2The rangefinder can make necessary measurements and adjustments to stringed instruments 3This guitar repair kit can be used to change strings, set pitch, adjust movement or check string height 4A full set of accessories, suitable for cleaning column instrument 5Suitable for electric guitar, bass, banjo, mandolin and various stringed instruments