Feature: 1. High quality pneumatic air application gun that\u0027s excellent for applying automotive rust proofing,rubberized undercoating,chip guard,truck bed liner and other general purpose coatings. 2. Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. 3. Metal texture,strong and High quality,uniform spraying,stable pressure,long service life. Plug and play,easy to operate. General use,standard 1-2 liter chassis armor can be used. 4. The undercoating gun has a die-cast aluminum alloy body with an easy grip trigger handle,easy operate and comfortable for grip. 5. This gun is great for use applying Herculiner and all other single and two component sprayable truck bed liner coatings. Specification: Features: High quality pneumatic air application gun that's excellent for applying automotive rust proofing,rubberized undercoating,chip guard,truck bed liner and other general purpose coatings. Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. Metal texture,strong and High quality,uniform spraying,stable pressure,long service life. Plug and play,easy to operate. General use,standard 1-2 liter chassis armor can be used. The undercoating gun has a die-cast aluminum alloy body with an easy grip trigger handle,easy operate and comfortable for grip. This gun is great for use applying Herculiner and all other single and two component sprayable truck bed liner coatings. Specifications: Material: Metal Rated Pressure: 0.4-0.7Mpa Maximum Pressure: ≤9kg/cm squared Nozzle Diameter: 9mm/0.36" Length of Feeding Tube: 240mm/9.45 Pacage weight: 700g/24.7oz Package size: 210*100*50mm/8.27*3.94*1.97in Package List: 1 * Car Undercoating Sprayer Package List: 1 * Car Undercoating Sprayer