1. [Reliable Materials] This mini nail gun is made of solid stainless steel and aluminum alloy, with non slip rubber handle and anti slip protection, ensuring durability and stability. 2. [Ergonomic Design] Ergonomically designed, this manual nailer tool provides a comfortable grip, light weight, suitable for long hours of work. 3. [Low Noise and Eco Friendly] This nail gun operates with low noise and minimal dust production, providing a quieter and cleaner working environment. Specification: Item Type: Mini Nail Gun Material: Rubber, Stainless Steel, Aluminum Alloy Sound Reduction Grade: 40dB Working Pressure: 3 Gear Adjustable Applicable Nail Length Range: Approx. 27-42mm/1.1-1.7in How to Use: 1. Choose the nail to use. 2. Align and place. 3. Align the port vertically with the tubing. 4. Push hard to pierce through. 5. 1‑2 times of shell removal and slag removal for next use. packing list: 1 x Mini Nail Gun 1 x Goggles 1 x Cleaning Tube Brush 2 x Gloves 3 x Replace Spring 1 x Spare Punching Needle 1 x Pin 1 x Limit Pin 1 x Brake Pin 2 x Conversion Head 1 x English Instruction Manual 1 x Storage Box