CARBiTOOL Beading Router Bit with Bearing T632B 1/2
This bit is the same as the rounding over bit but has a smaller bearing leaving 1/16" edge bead. Can be converted to rounding over bit by using bearing TB11. Carbide Tipped, Two Flutes with Ball Bearing Guide.
Suffix 1/2 = 1/2" Shank otherwise 1/4"