Power through wood, MDF, plastics, plasterboard and ceramic wall tiles up to five times faster than a bi-metal hole saw Carbide Tipped teeth for outstanding cutting performance and product durability. Cutting depth of 54mm (2.1/8”) Smooth cut with minimal heat build up Suitable for use in mains and battery powered tools Multiple uses – cut wood, MDF, plastics, ceramic wall tiles and building bricks Special arbors featuring extended length pilot drills are available