Features [Versatile Use] The nail gun can accommodate nail lengths from 32 to 57mm and has four adjustable settings, increasing versatility. The scope of delivery includes extension rods with a length of 40 cm each. [Premium Construction] This concrete nail gun is made of high-speed steel and aluminum alloy, providing reliable strength for long-term use and sufficient durability. [Ergonomic Design] With non-slip rubber handle and guard, ergonomically designed, this wall mounting tool is light and comfortable to grip, suitable for long-term work. [Low Noise] This concrete nailer operates with low noise and minimal dust, ensuring environmentally friendly and energy efficient performance for all your fastening tasks. [Versatile Application] Widely used for air conditioning installation, window installation, ceiling hanging, pipe fixing, pipe installation, etc. Suitable for red brick walls, concrete walls, 3mm aluminum alloy wire channels and thick wooden boards. Specification: Item Type: Wall Nail Gun Material: rubber, high speed steel, aluminum alloy Noise level: 40 dB Working pressure: 4-speed adjustable Applicable nail length range: approx. 32-57mm/1.26-2.24in Length of each extension rod: approx. 40 cm/1.57 inches Nail tube diameter: approx. 8.5 cm Package list: 1 x nail gun 1 x handle 3 x feathers 1 x glasses 1 x brush 1 x spiral lock 1 x sound-absorbing steel sleeve 1 x firing pin 5 x extension rods 1 x Limit Pin 1 x brake pin 1 x Storage Box 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