SD-3 (3/8) – Ball Shape Carbide Burr Single Cut • Ball Shape List Number SC91058 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/4 Style SD-3 Length Of Cut 5/16 Diameter 3/8 Cut Style Single SKU: SC91058 Category: SD series - Ball Related products SD-1 (1/4) – Ball Shape Carbide Burr Double Cut Item #: SC90056 SD-11 (1/8) – Ball Shape Carbide Burr Single Cut Item #: SC91054 SD-9 (1″) – Ball Shape Carbide Burr Single Cut Item #: SC91063