Unibit #2 Step Drill Bit, 3/16 To 1/2 In.

#2 unibit, 3/16" to 1/2" step drill, 6 hole sizes from 1/8" to 1/2" in 1/16" increments, maximum material thickness 3/8", 3 flatted shank, shank size 1/4", single fluted cutting edge assures true round holes & allows greater control, carded.