Features [Versatile use] The nail gun can accommodate nail lengths from 32 to 57 mm and has four adjustable settings, which increases versatility. Delivery includes extension struts 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 protection, ergonomically designed, this wall-mounted tool is easy and comfortable to grip, suitable for long-term work. [Low noise] This concrete nail gun works at low noise and minimal dust, ensuring environmentally friendly and energy-efficient performance for all your attachment 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, 3 mm aluminum wire channels and thick wooden boards. Specification: Item Type:Wall Nail Gun Material: rubber, high speed steel, aluminum alloy Noise:40dB Working Pressure: 4-speed adjustable Applicable nail length area: approx. 32-57mm/1.26-2.24inch Length of each extension rod: approx. 40cm/1.57'' Diameter of the nail tube: approx. 8.5 centimetres Package List: 1 x Nail Gun 1 x handle. 3 x springs 1 x Glass 1 x brush 1 x spiral clasp. 1 x Silencing Steel Sleeve 1 x Lapel 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