Craftsman 6 piece Carbide-Tipped Router Bit Set with Wood Storage Case This set includes six bits in five of the most popular shapes for edges and decorative detailing. The 1/4" shank diameter fits all Craftsman routers, as well as most handheld or bench routers. A convenient wooden storage box keeps the bits organized in its own custom slot. Straight, Edge Forming, 27000 RPM. Uses:1/2in laminate trim, 1/2in cove, 3/8in beading, 1/2in dovetail, 1/2, 1/4in straight