SKIL 91003 Decorative Edge Router Bit Set, 3 Piece Includes: (1) 1/4-inch roundover bit, (1) 1/4-inch cove bit, and (1) 5/32-inch with bonus hex key, (1) 1/2-inch replacement bearing Fully heat treated shanks and bodies for durability Controlled depth of cut minimizes kickback Smooth running bearings