Aluminum paint cups - Die cast aluminum bodies with black nickel finish - 2-Step trigger controls - Non-bleeder type, gravity feed external mix - Stainless steel nozzles - Adjustable spray width, air inlet and fluid outlet. Features and specs: Gun A - 1.0 mm nozzle set for lighter materials and touch up work Gun B - 1.4mm nozzle set for lighter materials Gun C - 1.7mm nozzle set for heavier materials Locking pressure regulator with gauge