Wet blast media gun kit includes: V3.2 Vapor Blast Gun with a 4mm air jet, internal o-ring, 10mm tip preinstalled, and fastening collar Two 5/8 hose barbs to a standard garden thread that will attach to the V3 Blast Gun 1 custom 1/2 to 5/8th inch air check valve, clamps, and grommets 3 additional 9mm tips