SD-3L6 (3/8) – Ball Shape Carbide Burr 6″ Long Double Cut • 6″ Long Shank • Ball Shape List Number SC90608 Overall Length 6 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/4 Style SD-3L6 Length Of Cut 5/16 Diameter 3/8 Cut Style Double SKU: SC90608 Category: SD series - Ball Related products SD-4 (7/16) – Ball Shape Carbide Burr Double Cut Item #: SC90059 SD-1 (1/4) – Ball Shape Carbide Burr Single Cut Item #: SC91056 SD-3 (3/8) – Ball Shape Carbide Burr Single Cut Item #: SC91058