... , etc... These bits can form edges, mill stock for joints, add decorative veining or inlays and even makeraised ... shank are availableDifferent packing are available 2.Size Shank for 6,8,12mm and 1/4",1/2" ... of many kinds of electric hammer drill, masonry drill, chisel,router bit, concrete Hole saw and related products. ... Picture 6.Certificate Tungten Carbide Router Bit For Engrave(Corner Rounding Bit)