: AGR1110 17/64” Inch to ½” Inch Radius Gauge is a very useful gauge for Tool & Diemakers, Machinists, Screw machine operators, Patternmakers, Layout persons and other mechanics to layout and check the radii of tools & dies, patterns etc. Features: All gauges have locking device Leaves are specially shaped so they can measure fillets and radii in corners and against shoulders All leaves are marked Made from the finest quality steel available Specifications: Leaves: 26 (13 Convex, 13 Concave) Range: 17/64” - ½” TOOLMARTS PAYMENT METHODS, SHIPPING AND REFUND POLICIES About Toolmarts has been a factory direct distributor of power tools, accessories, fittings and shop machinery since 1986.