Yonico 16129 1-1/2-Inch Base Cap Molding Router Bit 1/2-Inch ShankThis base cap bit has a 1 1 2" cutting height and 9 16" cutting depth with a 1 2" shank. The overall length is 3 1 8" with a 1 3 4" large diameter. Add a decorative cap to baseboard moldings Premium C3 micro grain tungsten carbide blades for a sharper & longer lasting edge For use on table mount router Silver induction brazing for maximum strength and durability