Alnicov 9Pcs Understring Radius Gauge Luthier Tools 32 Blades Feeler Dual Marked Metric and Imperial Gap Measuring Rulers Tool for Guitar Bass

9 Understring radius gauge: including 7.25", 9.5", 10", 12", 14", 15", 16", 17" and 20" radius,can be applied to accurately measure fret board radius,saddle radius nut radius from either the top or the bottom radius surface,a must have for bass guitar maintain and adjustment 32 Blades feeler gauge:32 hardened,tempered steel blades, measurement from 0.0015 inch (0.038 mm) to 0.035 inch (0.889 mm), it is a guitar common spacing chord distance measure tool,chrome plated main shaft for easy clean up and professional look Wide application: can be applied to measure all kinds of electric guitar, electric bass, acoustic guitar, acoustic guitar, electric box guitar fretboard measured in radians, radians to adjust the strings piano code Convenience to store: the two guitar measure tools are all with small size;Understring radius gauge:7 x 7 cm/ 2.76 x 2.76 inch,blades feeler gauge:9.5 x 1.5 x 1.5 cm/ 3.74 x 0.59 x 0.59 inch,easy to store,don't take too much space Value set:the package comes with 1 set of understring tadius gauge and 1 set of blades feeler gauge and Keychain