FEATURES\n\n- BIG HAWG multi material holesaws are ideal for electricians, carpenters, kitchen fitters & all related heating, ventilation and plumbing trades.\n- Designed for use in a wide variety of materials\n- Bricks - suitable for both solid bricks and bricks with cavities.\n- Aerated concrete blocks, lightweight aggregate blocks and breeze blocks.\n- Soft density lime-sandstone building blocks up to hardness of 30 N/mm².\n- Softwoods, chipboard, plywood, medium density fibreboard (MDF).\n- Plastics and plastic coated board (Contiboard).\n- Not suitable for use in hard materials such as concrete, granite, medium to hard density lime-sandstone block, natural stone and hard brick over 30 N/mm² hardness.