Made from high quality HSS steel , 2 fluted edges for faster and smoother cutting 3 sided shanks prevent slippage when in chuck. Drill perfectly round holes in a range of materials as Steel,Brass,Wood,Plastic.
Steps in 2 mm increment from 4 to 32mm(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32)mm