SD-81 (3/16) – Ball Shape Carbide Burr 3/16 Shank Single Cut List Number SC91422 Overall Length 2" Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 3/16 Style SD-81 Length Of Cut 3/16 Diameter 3/16 Cut Style Single SKU: SC91422 Category: SD series - Ball Related products SD-11 (1/8) – Ball Shape Carbide Burr Double Cut Item #: SC90054 SD-9 (1″) – Ball Shape Carbide Burr Double Cut Item #: SC90063 SD-7 (3/4) – Ball Shape Carbide Burr Single Cut Item #: SC91062