SD-4 (7/16) – Ball Shape Carbide Burr Single Cut • Ball Shape List Number SC91059 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 Single SKU: SC91059 Category: SD series - Ball Related products SD-3 (3/8) – Ball Shape Carbide Burr Double Cut Item #: SC90058 SD-2 (5/16) – Ball Shape Carbide Burr Double Cut Item #: SC90057 SD-3L6 (3/8) – Ball Shape Carbide Burr 6″ Long Double Cut Item #: SC90608