Features: brand new and high quality Adjustable screw length and depth, easy to use and good performance. Automatic nail feeding, no need to support fast, continuous and accurate nail feeding, simple operation, no nails falling. Complete tools, you can operate it yourself, suitable for DIY enthusiasts. Exquisite aluminum carbon steel material, sturdy and durable, not perishable candle. Installed on electric drill, suitable for gypsum board, partition wall, wood board, ceiling, etc. Specifications: Material: Plastic + Carbon Steel Product Dimension: approx. Chain Strap Nail Length: 25mm/ 0.98 inches approx. Nail Gun Size: 230x51x35mm/ 9.06x2.01x1.38 inches approx. Bit: 143x6.35mm/ 5.63x0.25 inches Net Weight: 415g/ 0.91 lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set Automatic Chain Belt Screw Gun