The DEWALT DT70710 Extreme 2 Metal Drilling Set for portable or stationary drilling of steel, alloyed and non-alloyed, up to 900N/mm. Particularly suited to drilling sheet or thin materials where accurate burr-free holes are required. Very effective in wood and plastic materials. The patented split pilot point design eliminates walking/slipping on contact. Supplied in a TOUGH CASE+, this is part of a connectable case system that is TSTAK™ compatible. Individual TOUGH CASES can be clipped together for easy transportation. Contains: 13 x Extreme 2 Metal Drill Bits: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 5, 5.5, 6, 6.5 & 7mm.