SD-2 (5/16) – Ball Shape Carbide Burr Double Cut • Ball Shape List Number SC90057 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/4 Style SD-2 Length Of Cut 1/4 Diameter 5/16 Cut Style Double SKU: SC90057 Category: SD series - Ball Related products SD-1 (1/4) – Ball Shape Carbide Burr Single Cut Item #: SC91056 SD-11 (1/8) – Ball Shape Carbide Burr Single Cut Item #: SC91054 SD-6 (5/8) – Ball Shape Carbide Burr Single Cut Item #: SC91061