The Draper 99326 Plumber\'s Hole Saw Kit featuring M3 steel cutting teeth The Draper 99326 Plumber\'s Hole Saw Kit features a range of accessories and variable pitch bi-metal hole saws, suitable for cutting steel, brass, bronze, cast iron, aluminium, wood and plastics. Manufactured from high-quality steel with a M3 steel cutting edge for fast clean cutting action, with a maximum cutting depth of 35mm. Each hole saw has four side vents for the efficient removal of waste and features two connection threads for fixing to an arbor. Supplied inside a sturdy blow moulded storage case. Features: 35mm cutting depth Durable M3 steel cutting teeth 2x Hexagonal shank hole saw arbors Supplied inside a heavy-duty blow moulded storage case Features a range of accessories and variable pitch bi-metal hole saws, suitable for cutting steel, brass, bronze, cast iron, aluminium, wood and plastics Comes with: 1x Adaptor 1x Hex key 2x Pilot drills 7x Hole saws 1x Simple arbor 1x Locking arbor Specifications: Cutting depth: 35mm Tip material: M3 steel Body material: Bi-metal Saw diameter: 19, 22, 29, 38, 44, 51 and 57mm