Kit Contain: 3x O-ring for cylinder, 2x lance clamp, 2x O-ring for lance, 3x O-ring for handle switch, 1x piston ring, 1x double nozzle, 1x fan nozzle, 1x 4-hole nozzle, 1x O-ring for 4-hole nozzle, 3x O-rings for double nozzle and fan nozzle