The paint spray gun is made up aluminum which gives light weight and made the handling of the product easy ,the product can be use for coloring, painting, polishing of most of the items include furniture, statues , car/bikes and mostly industrial use. Air Compressor is a Must Requirement to use this Product., Feed Type: Gravity. ,Air Operation, Pattern Control, Trigger Control, Fluid Control. ,Low air pressure saves paint and protects the environment, good design of construction. Nozzle and needle is of good quality to allow using with water-based paint. Product size- 1/4 pint. Operating pressure : 20-40 psi. Cup Capacity : 100 ml. Nozzle Size : 0.4mm. Adopt advanced die casting processes. Commonly used by auto painters, hobbyist and artists for paint chip repairs, signs, backgrounds, murals, etc. Compatible with solvent and waterborne coatings (No chemical reaction to aluminum).