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-3 (3/8) – Ball Shape Carbide Burr Single Cut Item #: SC91058 SD-7 (3/4) – Ball Shape Carbide Burr Single Cut Item #: SC91062 SD-5 (1/2) – Ball Shape Carbide Burr Single Cut Item #: SC91060