Features: 1. The gauge accurately measures string height, bridge saddle height, saddle slot depth, pickup polepiece height, fret slot depth, and nut height. 2. Stainless steel fret protectors in two sizes are specially designed to safeguard the fingerboard while working on frets. 3. Primarily made of stainless steel, ensuring rust resistance and durability. 4. Suitable for various string instruments, including guitar, bass, mandolin, banjo, etc. 5. Highly practical and valuable, a preferred measuring tool for DIY luthiers and guitarists. Specification: The gauge provides accurate measurement to string height, bridge saddle height, saddle slot depth, pickup polepiece height, fret slot depth, and nut height. Stainless steel fret protectors in two sizes are specifically designed to protect the fingerboard while working on your frets. Mainly adopting stainless steel, anti-rust and durable. Widely applied for string instruments, such as guitar, bass, mandolin, banjo, etc. Very practical and useful, favorite measuring tools for DIY luthiers, guitarists. Condition: 100% Brand New Material: Stainless Steel Color: Silver Gauge Size (L * W * Thickness): Approx. 89 * 51 * 6mm / 3.5 * 2.0 * 0.2in Fret Protectors (L * W): Approx. 78 * 22 * 1mm / 3.07 * 0.87 * 0.04in (Large); 78 * 13 * 1mm / 3.07 * 0.51 * 0.04in (Small) Weight: Approx. 28g Packing List: 1 x Guitar String Gauge 1 x Set of Fret Protectors