Guitar radius gauge
Features ：
Made of stainless steel for durability in the busy shop, and radii that are precision laser-cut
7.25”, 9.5”, 10”, 12”, 14”, 15”, 16”, and 20” radii
Size: Approx. 88 mm x 88 mm x 0.4 mm
These come in the most popular guitar fingerboard radii and make it easy to measure the fingerboard, nut, saddle, and fretwire radius.