1. [Strong Penetration Force] The concrete nail gun has strong penetration force, and it can penetrate 3mm steel plates in one step in just 0.1 seconds. This nail gun is suitable for nails with a length of 25mm. Can be pierced through: red brick walls, concrete, 3mm steel plates, thick plates. 2. [Strong Penetration Power] The concrete nail gun has strong penetration power, and it can penetrate 3mm steel plates in one step in just 0.1 seconds. This nail gun is suitable for nails with a length of 25mm. Can be pierced through: red brick walls, concrete, 3mm steel plates, thick plates. 3. [Single handed operation] The manual steel nail gun is lightweight, small in size, and weighs 1 kilogram. Girls, elderly people, and children can also easily complete nail enhancement work. Easy to operate and carry to various scenarios. 4. [Widely used] Suitable for camera installation, electrical box installation, water and electricity installation, air conditioning installation and hanging photo frames, multi-functional shelves, small junction boxes, pipeline installation, wiring, etc. 5. [New Technology] No residue. Low noise - can be used in buildings where people live. Low maintenance. No direct impact on components. Narrow contours. Lightweight.