10 Piece Set Solid Brass Precision Machined Router Template Bushings Guide Bearings Set RB 10 piece router guide template set Precision machined solid brass Contains 2 lock nuts and OD sizes 5/16, 3/8, 7/16, 1/2", 5/8, 3/4, 51/64 and 1 Fits routers with Porter Cable style sub bases Comes in blow molded case