This concrete hole saw kit boasts a cutting diameter of 160mm (6.3 inches), making it perfect for large-scale drilling tasks. It easily handles tough materials like cement, brick, concrete, adobe, and stone, suitable for wall drilling and pipe installations. Made from tungsten steel and cemented carbide, the durable hole saw ensures efficient drilling with ventilation holes to remove dust. The set includes a drill bit, 8.6-inch handle, center positioning drill bit, and fixing screws. Xdovet provides excellent customer service, ensuring user satisfaction for all needs.