Scope of deliveryProFit HM hole saws, 2 pcs: 73 and 83 mm. 1 pc HSS drill. 1 pc concrete drill. Hole saw HM with carbide blade "Multi Purpose" applications: A perfect hole saw for making holes in most materials. Cuts more than 10 gr faster than traditional hole saws and has an unmatched lifespan. Cuts: wood, chipboard, MDF, laminate, plastic, plaster, lightweight concrete, leca, fiberglass, and tile and stone materials up to a hardness of 6.