These come in the most popular guitar fingerboard radii and make it easy to measure the fingerboard, nut, saddle, and fretwire radius. Material:Stainless Steel Size:7.25”, 9.5”, 10”, 12”, 14”, 15”, 16”, and 20” radii Laser cut from stainless steel Etched with radius 0.4mm thick Approx 88*88mm square
