General description This high-quality TCT concrete hole saw set includes everything you need to get started with drilling in masonry. It is designed for precise cutting and is suitable for a variety of applications, including installing air conditioners, range hoods, or washing machines. The set features durable tungsten carbide tipped drill bits that provide excellent drilling performance for long-term use. Technical specifications Weight: 1.5 kg Material: Carbide Metal Core Diameter: 30 mm, 40 mm, 50 mm Extension Rod Length: 350 mm Compatibility and accessories Includes Ø30 mm, 40 mm, 50 mm drill bits Includes SDS+ shafts Includes pilot drill bits Includes 1 locking screw Includes 350 mm SDS+ extension rod Installation Simple operation with easy to use features Fast punching for clean holes in concrete, brick, and cinder block Usage Ideal for cutting clean holes in brick walls, red bricks, masonry walls, foam bricks, and hollow cores Not suitable for use on steel, tiles, and stone