Features: Stainless Steel Tools Kit: Include guitar radius gauge and feeler gauge, 2 practical tools in 1 set. 32 Blades Feeler Guage: Feeler gauge range: 0.0015in / 0.04mm to 0.035in / 0.88mm, thumb screw is easy to use for blade removal and protection. 9 Radius Guage: Stainless steel radius gauge, set of 9 including: 7.25, 9.5, 10, 12, 14, 15, 16, 17 and 20 radius. Accurate Kit: Guitar tools kit is designed to help with the universal usages in repairing and maintaining, and universally compatible with various guitars. Wide Applications: Suitable for acoustic guitar, electric guitar, folk guitar or electric bass. Specifications: Color: Silver Material: Stainless steel Package size: 11 * 8 * 1cm / 4.33 * 3.15 * 0.39in Package weight: 42g / 1.48oz Package List: 9 * Radius Gauge 1 * Feeler Gauge(32pcs)