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 various applications, including installing air conditioners, range hoods, and washing machines. The set is ideal for creating clean holes in concrete, brick, and cinder block. Technical specifications Core Diameter: 30mm, 40mm, 50mm Weight: 1.5kg Material: Tungsten carbide tipped Extension Rod Length: 350mm Compatibility and accessories Includes Ø30mm, 40mm, 50mm drill bits Includes SDS+ shafts and pilot drills Includes 1 locking screw Includes 1 pilot drill bit Installation Simple operation with easy-to-use design Fast punching for efficient drilling Usage Ideal for cutting clean holes in concrete, brick, and cinder block Not suitable for use on steel, tiles, or stone