Features 1、[Versatile Use] The nail gun can accommodate nail lengths ranging from 32 to 57mm, with four adjustable settings, enhancing versatility. Comes with extension poles, each measuring 40cm in length. 2、[Premium Construction] This concrete nail gun is crafted from high speed steel and aluminum alloy, providing reliable strength for long term use and ample durability. 3、[Ergonomic Design] With anti slip rubber handle and protective device, ergonomically designed, this wall fastening tool is easy and comfortable to grip, suitable for long time work. 4、[Low Noise] Operating with low noise and minimal dust production, this concrete nailer ensures eco friendly and energy efficient performance for all your fastening tasks. 5、[Versatile Application] Widely used for air conditioning installation, window installation, ceiling suspension, pipe fixing, pipe installation, etc. Suitable for red brick wall, concrete wall, 3mm aluminum alloy wire ducts, thick wooden boards. Specification Item Type: Wall Nail Gun Material: Rubber, High Speed Steel, Aluminum Alloy Noise Grade: 40dB Working Pressure: 4 Gear Adjustable Applicable Nail Length Range: Approx. 32-57mm / 1.26-2.24in Each Extension Rod Length: Approx. 40cm / 1.57in Nail Tube Diameter: Approx. 8.5cm / 0.33in Package List 1 x Nail Gun 1 x Handle 3 x Springs 1 x Glasses 1 x Brush 1 x Spiral Lock 1 x Silencing Steel Sleeve 1 x Striking Pin 5 x Extension Rods 1 x Limit Pin 1 x Brake Pin 1 x Storage Box