DAIMIT 10PCS Concrete Hole Saw Kits with 2 Drill Bits and SDS Plus & Max Shank, Hole Saw Tool Set for Concrete Cement Brick Stone Wall Drilling, Kit Size 30 40 50 65 80 100 110MM

【MATERIAL AND PROCESS】Our concrete hole saw set is made of tungsten steel and carbide, sturdy enough to drill through hard stone and concrete. Each hole saw is equipped with ventilation holes,free to remove dust generated during the drilling process,and effectively improve the efficiency of drilling. 【10 IN ONE】7pcs hole saw diameter: 1-3/16”(30mm), 1-9/16”(40mm), 2"(50mm), 2-9/16 “(65mm), 3-1/8" (80mm), 3-15/16"(100mm), 4-5/16"(110mm), 1 x SDS PLUS Shank(100mm/3-15/16"), 2 x SDS PLUS Shank(300mm/11.81"), 1 x SDS Max Shank(300mm/11.81"). 【Wide Application】Concrete hole saw kit easily drills through most common wall materials ,as cement ,brick, concrete, adobe, and stone etc. Widely used for drilling walls or install tubing, water pipes, exhaust hoses and more. 【 Considerations】Equipped with a hole saw drill bit, suitable for all major manufacturers' SDS Plus tools, Adding coolant during continuous high-speed drilling, It can prevent the drill bit from burning or breaking, Increase the service life of the product. 【Purchase with Confidence】We are committed to providing you with good products and excellent service. If you find any problems when you use it, pls contact with us. We would try our best to assist you and ensure your satisfaction.