SD-1L6 (1/4) – Ball Shape Carbide Burr 6″ Long Single Cut • 6″ Long Shank • Ball Shape List Number SC91607 Overall Length 6 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/4 Style SD-1L6 Length Of Cut 3/16 Diameter 1/4 Cut Style Single SKU: SC91607 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 Double Cut Item #: SC90056 SD-11 (1/8) – Ball Shape Carbide Burr Single Cut Item #: SC91054