to cut steel ,metal,wood,plasticetc.. top quality tunsgen tipped for fast accurate cutting METAL STEEL /WOOD/ PLASTIC CUTTING HOLE SAWTOP QUALITY TUNGSTEN TIPPED FOR FAST ACCURATE CUTTINGTO CUT STEEL, WOOD, PLASTIC, ETCDRILL TO25MM DEEP Comes with 9 Centre Dirll Bits , 4 Alan Keys 9 SIZES IN ONE CASE 15mm30mm45mm20mm35mm50mm25mm40mm60mm To see how they perform,if you buy, they will give you ...