1)gravity voylet spray gun 2)stainless steel nozzle and needle 3)durable air caps are made of brass(not of aluminum) *HVLP voylet spray gun nozzle size ranges among 1.4,1.7 and 2.0 for paint and filler work.*100% manually adjusted nozzle sets ensure the constant high, for complete guns as well as spare nozzle sets.Good Quality hvlp gravity spray gun.*The durable air caps are made of brass(not of ...