Quick Release Fluid Sets - For HVLP Edge Gun - Change out needles from the front of the gun with just a click 256946 #2 .032 in (0.8 mm) Ultra fine finish with inks, dyes, non-wiping stains, automotive finishes 256947 #3 .051 in (1.3 mm) Fine finish lacquers, stains, enamels, epoxies, urethane, varnish 256948 #4 .071 in (1.8 mm) High output with enamels, epoxies, urethane, varnish, primers 256949 #5 .087 in (2.2 mm) Higher output with enamels, epoxies, urethane, varnish, primers, latex, multi-spec 256950 #6 .098 in (2.5 mm) Highest output with latex, multi-spec, oil wall paint 258860 #7 .115 in (2.8 mm) This one goes up to 11!