Specification Brand : SPYMINNPOO BulletPoint1 : [4 in 1 Design] This guitar radius gauge features 7.25in, 9.5in, 10in, 12in on each side, allowing for accurate measurements of fingerboard radius, suitable for most guitars. BulletPoint2 : [Accurate Radius Identification] With this measuring tool, you can quickly and accurately determine the curvature of fingerboards or saddle nuts. BulletPoint3 : [Stainless Steel Construction] Crafted from sturdy stainless steel material, this fretboard radius gauge is sturdy and built to last, ensuring long term use. BulletPoint4 : [Compact and Portable] The fingerboard measuring tool is compact and easy to carry, making it convenient to bring along for gigs, rehearsals, or tuning sessions. BulletPoint5 : [Multi Instrument Compatibility] This saddle nut radius gauge is compatible with a range of string instruments such as guitars, basses, banjos, ukuleles, mandolins, and more. Color : Silver ExternallyAssignedProductIdentifier : 7689760028634 ItemName : SPYMINNPOO Guitar Fretboard Radius Gauge 7.25in 9.5in 10in 12in Fingerboard Saddle Nut Radius Gauge Guitar Luthier Tools for Bass Banjo Ukulele ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : radius-gauges Manufacturer : SPYMINNPOO ModelName : SPYMINNPOOxbvgi8wfhr ModelNumber : SPYMINNPOOxbvgi8wfhr PartNumber : SPYMINNPOOxbvgi8wfhr ProductDescription : Specification: item type: guitar fretboard radius gauge material: stainless steel specification: 7.25in, 9.5in, 10in, 12in