User friendly single-action operation entire fueling operation is initiated by simply engaging nozzle to the receptacle with a single squeeze of the hand. Hammer-Lock technology maximum durability. Designed specifically for frequent coupling and uncoupling. Ergonomic design insulated handle protects operator from temperature effects created by high flowing LP gas. Minimal force required to engage nozzle. Durable Construction heavy-duty brass, aluminum and stainless-steel construction provides excellent corrosion resistance in the harsh fueling environment. Ease of use Incorporates with a single plane 360 degrees inlet swivel. Safety will not dispense gas until securely engaged onto an appropiate receptacle. Once engaged, will not disengaged until released by operator.