SA-51 (1/4) – Cylinder Shape Carbide Burr 1/8 Hardened Shank Double Cut List Number SC90400 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/8 Style SA-51 Shank Type Hardened Length Of Cut 1/2 Diameter 1/4 Cut Style Double SKU: SC90400 Category: SA series - Cylinder Related products SA-2 (5/16) – Cylinder Shape Carbide Burr Single Cut Item #: SC91007 SA-1L (1/4) – Cylinder Shape Carbide Burr Double Cut Item #: SC90006 SA-15 (3/4) – Cylinder Shape Carbide Burr Double Cut Item #: SC90015