SD-4 (7/16) – Ball Shape Carbide Burr Double Cut • Ball Shape List Number SC90059 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/4 Style SD-4 Length Of Cut 3/8 Diameter 7/16 Cut Style Double SKU: SC90059 Category: SD series - Ball Related products SD-11 (1/8) – Ball Shape Carbide Burr Single Cut Item #: SC91054 SD-2 (5/16) – Ball Shape Carbide Burr Double Cut Item #: SC90057 SD-1 (1/4) – Ball Shape Carbide Burr Single Cut Item #: SC91056