CY- W56 air riveter: aluminium and steel body, working under 0.5-0.7kgf/cm air pressure, stroke 15mm pull force 12232N, adapt f ... CY- W56 air riveterFunctions:1. Comes with nozzles: 3/16", 5/32", 1/ ... release air valve permits cylinder to return quickly for high speed assembly operations, prevents overloading for long serving life CY- W56 air riveter