Compression (Up-Down) Spiral Router Bits - Right-Hand Rotation, Solid Carbide - Southeast Tool SUD551A; 3/8 Cutting diameter, 1 1/2 Cutting length, 3/8 Shank diameter, 3 Overall length. 3/16 Upcut for mortise.
WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov