Feature: 1. The rangefinder is made of high-quality stainless steel, which is anti-rust and corrosion-resistant, and can be used for a long time 2. The rangefinder can make necessary measurements and adjustments to stringed instruments 3. This guitar repair kit can be used to change strings, set pitch, adjust movement or check string height 4. Suitable for electric guitar, bass, banjo, mandolin and various stringed instruments 5. Complete tools, you can operate it yourself, suitable for guitar enthusiasts Specification: Item Type: Guitar Tools Set Color: Silver (Sander is cyan-blue) Material: Metal (except sander) Radius Gauge Specifications: 7.25, 9.5, 10, 12, 14, 15, 16, 17, 20 Spacing Gauge Scope of Application: Approx. 0.04 ~ 0.88mm / 0 ~ 0in 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: 1 x Chord Height Ruler 9 x Radius Gauge(9 Different Specifications) 1 x Spacing Gauge 1 x Sander 2 x Fret Gasket 1 x Velvet Bag Note: There is some anti-rust oil on the feeler gauge to prevent rust, please don’t worry