SD-3 (3/8) – Ball Shape Carbide Burr Double Cut • Ball Shape List Number SC90058 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 Double SKU: SC90058 Category: SD series - Ball Related products SD-4 (7/16) – Ball Shape Carbide Burr Single Cut Item #: SC91059 SD-14 (3/16) – Ball Shape Carbide Burr Single Cut Item #: SC91055 SD-1L6 (1/4) – Ball Shape Carbide Burr 6″ Long Single Cut Item #: SC91607