
HIGH QUALITY: Premium tungsten carbide SDS+ hole saw extension, compatible with 160mm SDS+ hole saw. STURDY AND DURABLE: This SDS+ hole saw is impact resistant. It is difficult to break and is highly impact resistant. MULTIFUNCTION: Ideal for installing drain pipes and electrical boxes. You can also use this concrete hole saw to make deep holes. HIGH EFFICIENCY: For SDS + hammer drill, ideal for prolonged professional use. APPLICATION: For all your masonry work. Perfect for working with natural stones, sandstone, artificial stones, concrete, marble.