·5 Gear Adjusted: concrete nailer gun adjusted by removing screws and according to different construction intensity requirements; Gear 1 can penetrate 3 mm steel plates; gear 2 can use in DIY ceilings, mounting brackets, door and window monitoring etc

·Easy to Operate: five steps to use; 1 wear protective glasses, gloves, earplugs; 2 choose nail; 3 nail gun vertically at workplace ready to shoot; 4 vertical force into wall; 5 hold silencer sleeve by hand, rear compression several times to withdraw

·Strong Penetration and Widely Application: Concrete nailer only takes 0.1 s to pierce a 3 mm steel plate; suitable for 25 mm length nail; use for camera, electric box, water and power, shelf, pipeline, air conditioning installation and hang picture frame

·Double Silencer Steel Nail Gun: Thicken the silencer cover to reduce noise; Just push and release, It only takes 1 s to work; No electricity required; Making the construction sence more comfortable without disturbing residents

·Package Includes: 1 x Nail Gun, 100 x Round Nails, 1 x Plastic Box, 1 x Gloves, 1 x Goggles, 1 x Earplugs, 1 x Wrench, 1 x Brush, 1 x Manual; Please wear earplugs, eye shield and gloves when using the wall fastening tool