4 Piece Tungsten Carbide Tipped Roundover Router Bit Set 4Pc Roundover with Replaceable Pilot Bearings 1/4" Shanks Fit All Standard Collets / Bit Sizes 1/8", 1/4", 3/8", 1/2" Tungsten Carbide Tips for Extended Bit Life & Smoother Cuts Extra Sharp Cutting Edges Reduced Kick Back & Can Be Resharpened Includes Hand-Crafted Wooden Storage Case & Bearing Removal Tool