The electric hammer drill bit is made of premium steel. The 16-tooth design provides powerful impact force. Also, it is lightweight and portable to carry. Features: Premium steel material, with high hardness, high strength and high durability. Use with an electric hammer (not included); a great chisel drill bit tool for rough surface. Wide and thick chisel head with 16 cuspid teeth, provides powerful impact force. Compact size, lightweight and portable, easy to carry with the small storage case. Suitable for roughening the surface of walls, concrete, bridges, ceramic tiles and more on construction sites. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for your understanding. Specifications: Color: Silver Material: Steel Teeth: 16 Item Size: 152 * 31mm / 5.98 * 1.22in Package Size: 20.5 * 3.5 * 3.5cm / 8.07 * 1.38* 1.38 inch Package Weight: 359g / 12.66oz Package List: 1 * Chisel Bit