 SUMITOMO Diamond Turning Insert, DCMA, 21.52-AC415K - 52FE19DCMA21.52-AC415K - GraingerDiamond Turning Insert, DCMA, 21.52-AC415KItem 52FE19Mfr. Model DCMA21.52-AC415KANSI Number DCMA21.52-AC415KISO Number DCMA070208 