The MSR Piezo Igniter will work with pretty much any gas canister stove unit, it is simple to use & is considerably more reliable than a conventional gas lighter in the wind as it has no flame to be blown out. The ignition element is mounted inside the tube for protection, but also the tube acts as a trap to capture some gas so the spark has a greater chance of catching. It will even fit nicely alongside your MSR Pocket Rocket in its container. Not suitable for radiant burners such as the MSR Reactor or Wind Boiler