Description:- The tip is made of carbide, high hardness and sharp.- Universal triangular shank makes the drill bit easy to insert and held tightly. Suitable for electric drills.- Suitable for drilling holes in metal, wood, plastic, cast iron, tile, glass, ceramic and stainless steel- Great replacement for your dull drill bit to improve work efficiency.Specification:Cutting Diameter: 6mm/0.24inchTotal Length: 100mm/3.94inchDrill Bit Length: 55mm/2.17inchShank Diameter: 5.5mm/0.22inchPackage Content:2 Pcs x Impact Drill Bit