Tungsten grit tipped hole saw kit

8 PCS tungsten grit tipped holesaw kit This industrial quality hole saws kit is designed for you to cuts clean, smooth, and accurate holes in many types of hard materials. These saws can be able to cut/drill through Bricks, Masonry, Ceramic Tiles, & Concrete Blocks Up To 2" Thick !!! They are made by machined carbon steel with C2 tungsten carbide grit cutting surfaces. Including: 1 Zinc alloy base with screw1 Arbor drill with carbide tipped1 Half-Round handle File5 Hole Saws: MM & SAE 33mm(1-5/16")53mm(2-1/16")67mm(2-5/8")73mm(2-7/8")83mm(3-1/4")package:blow case