9 Pcs Standard Cut Carbide Burr Set 3/32 in. & 1/8 in. Diameters with 1/8 in. Carbide Shanks. Sizes included SA-42, SA-43, SC-41, SC-42, SF-42, SG-42, SM-43, SE-41, SD-42. Standard cut Burrs are for normal metal removal rates and a fine finish.