Freud Raised Panel Router Bit 99 500 1 2 Inch Shank Back Cutter (2 19 32 Dia Quadra Cut Adjustable Tongue Flush Cabinet Door Panel Tool) Audio this gold tier thin wall coring tool this gold tier thin wall coring tool optimizes pressurized water flow to cool the cutting rim and flush slurry out of deep cuts Off Corner Loading Geometry: Directs rotational force across the wide flats of hex hardware rather than the corners The 1 2 inch shank assembly integrates high density TiCo carbide edges coated in a protective non stick Perma SHIELD finish to resist thermal friction and pitch buildup during table mounted router operations running at speeds up to 12 (1) Set of Precision Tongue Adjustment Shims