SN-42 (1/8) – Inverted Cone Shape Carbide Burr 1/8 Shank Single Cut List Number SC91182 Substrate Carbide Surface Treatment Bright Package Quantity 1 Shank Diameter 1/8 Style SN-42 Length Of Cut 3/16 Diameter 1/8 Cut Style Single SKU: SC91182 Category: SN series - Inverted Cone Related products SN-6 (5/8) – Inverted Cone Shape Carbide Burr Double Cut Item #: SC90121 SN-2 (3/8) – Inverted Cone Shape Carbide Burr Single Cut Item #: SC91119 SN-1 (1/4) – Inverted Cone Shape Carbide Burr Double Cut Item #: SC90118