XUEMEI Features: automatic screw feeding. Automatic nail gun adapter with 50 screws that can quickly feed nails continuously and accurately. Easy to operate with one hand. Adjustable depth and length. Adjustable screw length. For screws of different lengths, the length of the nozzle must be selected. Adjustable depth. Adjustment for deeper screwing adjustment for deeper screwing. Several screws can be used. The automatic feed screwdriver tape with 50 screws and all of them are replaceable after use, you can put new nails in. This auto feed adapter and chain can save time and labor for you. Universal adjustment adapter clamp range from 41mm to 46mm which is suitable for nail gun or electric drill on the market. Great household electric drill woodworking tool accessory for electric drill. Handy carpentry tool. The automatic nail gun adapter and chain set is a great tool for both home use and professional carpentry for installing kitchen cabinets on the ceiling, etc. Specifications:Material: stainless plastic steelColor: silver black. Clamp size: 41 46 mm. Screw quantity: 50 pcs. Nail adapter: 250 x 170 x 46.5 mm. Chain (with screws): screw length: 25 mm. Product list1*Automatic nail gun adapter 1*screwdriver 1*nail gun holder 1*screw set