SF-51 (1/4) – Tree Shape Radius End Carbide Burr 1/8 Hardened Shank Double Cut List Number SC90405 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/8 Style SF-51 Shank Type Hardened Length Of Cut 1/2 Diameter 1/4 Cut Style Double SKU: SC90405 Category: SF series - Tree Radius Related products SF-4 (7/16) – Tree Shape Radius End Carbide Burr Single Cut Item #: SC91073 SF-11 (1/8) – Tree Shape Radius End Carbide Burr Single Cut Item #: SC91070 SF-1 (1/4) – Tree Shape Radius End Carbide Burr Double Cut Item #: SC90071