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 LPG , 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° inlet swivel.