SM-41 (1/8) – Cone Shape Carbide Burr 1/8 Shank Single Cut List Number SC91178 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/8 Style SM-41 Length Of Cut 11/32 Diameter 1/8 Cut Style Single SKU: SC91178 Category: SM series - Cone Related products SM-42 (1/8) – Cone Shape Carbide Burr 1/8 Shank Double Cut Item #: SC90179 SM-43 (1/8) – Cone Shape Carbide Burr 1/8 Shank Single Cut Item #: SC91180 SM-51 (1/4) – Cone Shape Carbide Burr 1/8 Hardened Shank Single Cut Item #: SC91407