W-130 Specifications: Feed type:gravity Nozzle dia:0.3mm Cup capacity:7cc Working pressure:15-50psi Double-action trigger air-paint control W-138 Specifications: Spray pattern adjusts from 1/4" to1-1/2" for maximum versatility. Includes fine hend airbrush,5ft.vinyl hose,2oz.jar,with cover, attached 1/4 oz.jar,proper regulator and adaptor(1/4" air hose from the compressor to the smaller air brush hose.) Operarion pressure:15-50PSI W-132 Specifications: Feed type:gravity Nozzle dia:0.3mm Cup capacity:7cc Working pressure:15-50psi Double-action trigger air-paint control W-158 Specifications: Spray pattern adjusts from 1/4" to1-1/2" for maximum versatility. Includes fine hend airbrush,5ft.vinyl hose,2oz.jar,with cover, attached 1/4 oz.jar,proper regulator and adaptor(1/4" air hose from the compressor to the smaller air brush hose.) Operarion pressure:15-50PSI