CMT 837.786.11 Cove Bit, 1/2-Inch Shank, 3/8-Inch Radius 1-1/4-Inch Diameter, 1/2-Inch Cutting Length, 2-25/64-Inch Overall Length. Anti-kickback design, Non-Stick Orange Shield Coating, Equipped with a bearing. Turn your furniture, doors, and drawer fronts from simple to elegant by giving them a final touch. 2 SinterHip Hi-Density Industrial Chrome Carbide cutting edges for long-lasting performance. CMT bits were rated the best overall in comparison to other brands (Test by Wood Magazine).