Mitutoyo 186-903 Radius Gauge Set, Concave/Convex, 1/64-17/64" (by 64ths), 17 Leaves, 186 Series

The measuring surfaces are precisely finished with smooth, accurate edges. Individual gages for each dimension make it possible to verify radius or fillet dimensions easier, faster and more accurately in machining, layout, inspection and pattern-making work. 17 Leaves (1/64 In to 17/64 In by 64ths).