Specifications: It can be used for a variety of wood, wood products, plastics, plywood and other materials openings. Using advanced technology manufacturing and high-quality material, it has long service time. The incision resistance is small, which can improve the drilling speed, and remove chip easily. Item Name: Drill Bit Material: Carbon Steel Handle Diameter: 8mm Round Handle Product Models: 15mm, 20mm, 25mm, 30mm, 35mm Features: Sturdy, Woodworking Tool, Wear-resistant Handle Length: 30mm or 1.18" (Approx.) Product Length: 85mm or 3.35" (Approx.) Blade Length: 55mm or 2.17" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drill Bit