Product details:

Copperhead? Carbide Cutters now feature two shanks styles, the new Fusion shank for tool-less arbors and the standard two flat shank. Copperhead Cutters are design for extended tool life in abrasive and tough-to-cut materials. They are available in 1 (25mm), 2 (50mm), 3 (76mm), 4 (102mm) depth of cut in sizes from 9/16 to 2 (14mm - 60mm).