SDS Plus Shank Concrete Cement Stone Wall Hole Saw Drill Bit

This product is made of fine metal material and carbide tipped long-lasting to use.Features:Made of fine metal material long-lasting to use.Each blade to bear part of the workload not prone to chipping off the edge.High-frequency welding technology welding openings is strong smooth inside and outside welding mouth precision engage appearance.Easy to use and operate.Specifications:Item type: Hole Saw DrillMaterial: MetalCarbide tip hole saw: 30/40/50mmLong shaft: 350mmSuitable for: brick concrete walls air conditioning openingsPackage weight: 1540g/3.39poundsPackage size: 200*150*60mm/7.87*5.9*2.36inchesPackage list:3 * Carbide tip hole saw1 * Long shaft1 * Drill bit1 * Wrench