... 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 ... for information ) Including the central drill bits and alan keys with plastic case.(pictutre follow) wood ,plastic, metal,tungsten cutting hole saws with case