Freud 16-510 3/4-Inch by 3/8-Inch Top Bearing Dado Router Bit, 1/4-Inch Shank
3/4" diameter Top Bearing Mortising-Dado Bit 3/8" carbide height 1/4" shank.Freud's Mortising bits are designed with deep gullets for maximum material removal without chip loading. Ideal for hinges, mortises, and dadoes.