SK-3 (3/8) – Cone Shape 90° Carbide Burr Single Cut • 90° Cone Shape List Number SC91100 Substrate Carbide Surface Treatment Bright Angle 90° Package Quantity 1 Shank Diameter 1/4 Style SK-3 Length Of Cut 3/16 Diameter 3/8 Cut Style Single SKU: SC91100 Category: SK series - Cone 90° Related products SK-1 (1/4) – Cone Shape 90° Carbide Burr Single Cut Item #: SC91099 SK-42 (1/8) – Cone Shape 90° Carbide Burr 1/8 Shank Double Cut Item #: SC90175 SK-6 (5/8) – Cone Shape 90° Carbide Burr Single Cut Item #: SC91102