Top quality Dovetailing sets for use with the popular Incra System. Choose the #D101 set (1/4” shank) for the smaller Dovetails (1/4”,3/8”, 1/2”, 17/32”). Take the #605 set (1/2” shank) for the heavier 3/8”, 1/2”, 5/8”, & 3/4” Dovetail bits. Both sets also include the 1/4” and 3/8” Box Joint bits.