SD-2 (5/16) – Ball Shape Carbide Burr Single Cut • Ball Shape List Number SC91057 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 Single SKU: SC91057 Category: SD series - Ball Related products SD-6 (5/8) – Ball Shape Carbide Burr Single Cut Item #: SC91061 SD-6 (5/8) – Ball Shape Carbide Burr Double Cut Item #: SC90061 SD-14 (3/16) – Ball Shape Carbide Burr Single Cut Item #: SC91055