Radius Gauge Set, Range 9/32 in to 33/64 in by 64ths, Accuracy +/-0.002 in, Configuration Convex & Concave Radii Per Each Leaf, Dimension Type Angle, Included Sizes 1/2 in, 11/32 in, 13/32 in, 15/32 in, 19/64 in, 21/64 in, 23/64 in, 25/64 in, 27/64 in, 29/64 in, 3/8 in, 31/64 in, 33/64 in, 5/16 in, 7/16 in, 9/32 in, Increments 1/64 in (9/32 in to 33/64 in), Minimum Measurement - Inch 9/32 in, Number of Leaves 16, Set Style Fixed Leaves With Handle, Case Included Yes, Case Type Hard Case