CMT 838.996.11 Roundover Bit, 1/2-Inch Shank, 1-1/2-Inch Radius 3-1/2-Inch Diameter, 1-3/4-Inch Cutting Length, 3-21/32-Inch Overall Length. Anti-kickback design, Non-Stick Orange Shield Coating, Equipped with a bearing. Produces a particular rounded profile, ending up with an elegant bead on the top. To be used on router tables only. For simple tasks like easing sharp corners. Also for more intricate jobs like making drop leaf tables, when paired up with a CMT cove bit.