Feature: 1. Exquisite aluminum alloy material, sturdy and high durability, not perishable candle. 2. Adjustable screw length and depth, easy to use and good performance. 3. Automatic nail feeding, no need to support fast, continuous and accurate nail feeding, simple to operate, no nails falling. 4. Installed on electric drill, suitable for gypsum board, partition wall, wood board, ceiling, etc. 5. Complete tools, you can operate it yourself, suitable for enthusiasts Specification: Item Type: Automatic Chain Nail Gun Material: Aluminum alloy Application: Electric drill Colour: Black Size: Approx. 45.5mm / 1.8in 46.5mm / 1.8in 235mm / 9.3in 36mm / 1.4in 93mm / 3.7in 24mm / 0.9in 6.4mm / 0.3in 145mm / 5.7in Clamp Drill Interface Size: 41-46mm/1.6-1.8in Drill Bit Specification: Tail Shank Diameter 6.2mm/0.24in hexagonal Drill Bit. Package List: 1 x Chain Nail Gun1 x Chain with Nails (50Pcs)1 x Rubber Ring1 x Screwdriver Bit Note: The product is an automatic screw chain nail gun, which needs to be used with an electric drill.