SM-42 (1/8) – Cone Shape Carbide Burr 1/8 Shank Double Cut List Number SC90179 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/8 Style SM-42 Length Of Cut 7/16 Diameter 1/8 Cut Style Double SKU: SC90179 Category: SM series - Cone Related products SM-42L2 (1/8) – Cone Shape Carbide Burr 1/8 Shank Single Cut Item #: SC91198 SM-43 (1/8) – Cone Shape Carbide Burr 1/8 Shank Double Cut Item #: SC90180 SM-42L3 (1/8) – Cone Shape Carbide Burr 1/8 Shank Double Cut Item #: SC90208