Milescraft 2216 1/2-Inch Bearing Guided Straight Router Bit for Mortising
Tungsten Carbide Tipped Bearing Guided 1/2 inch Straight Bit for use with Milescraft Door Mortise Kit, Hinge Mortise Kit, and StrikePlate Mortise Kit and other similar kits. 1/4" Shank fits most collets.