This is a guitar measuring ruler set, specially designed for guitar repair and self-inspection, made of . It can help you measure the level, understring radius and vertical distance of each part of the guitar, very practical and professional. Features -Color:Silver -Material:Stainless Steel -Size:9.50X7.00X1.00cm/3.73X2.75X0.39in - This ruler set has smooth edges, no incisive and convex parts, and won't scratch your guitar. - is used, which is wear-resistant, durable and , and keeps your guitar in a perfect state at any time. - This luthier tools can help you to accurately and clearly measure string height, bridge height, nut groove depth, bridge groove depth and pickup height - Stainless steel guitar gauge kit with rounded edges, heavy-duty material, rust and , won't scratch or hurt your hands or fingerboard. - At the same time, the Guitar Radius Gauges and Guitar Feeler Gauge set is also a to give it to friends who study guitar with you. Package list: 9 × Guitar Radius Gauges 1 × Guitar Feeler Gauge