The universal holesaw, suitable for plumblers, electricians, carpenters and general builders. Able to cut a wide variety of materials including, virified, bricks, plaster board, melamine, hard woods, chipboard and MDF. Robust and durable with strong TCT teeth produce excellent results. The Quick Release pilot drill and the core body not only allow speedy size changes but is a safer method for the user. PROTect SDS arbor is specially shortened to prevent accidental hammer action engaging, protecting the core from damage.