Feature:1. There are 6 drilling bits in different sizes, which will satisfy your various work needs, very practical.2. Thickened coating and large chip space ensure more convenient drilling as well as high efficiency.3. The hole saw made of cemented carbide has very incisive blades, which promise excellent cutting.4. Can be conveniently installed on lithium electric drill, hand drill, bench drill, and other equipments.5. Allows for flexible application in cutting and drilling tile, glass, ceramic, jade, and other materials.Specification:Item Type: Tile Drilling Hole Saw Material: Cemented CarbideSpecification: Approx. 22mm / 0.9in, 28mm / 1.1in, 35mm / 1.4in, 44mm / 1.7in, 68mm / 2.7in, 73mm / 2.9inFunction: Used to drill holes in glass, ceramics and jade. Applicable Scenarios: For lithium electric drill, hand drill, bench drill, etc..Package List:6 x Tile Drilling Hole Saw2 x Mandrel1 x Wrench1 x Plastic BoxNote:Be sure to add water to cool down when using.