【Quality Materials】Quick release gas connector, nickel-plated material, good gloss, even if exposed to the air for a long time, it will not rust, not easy to rust, anti-aging, durable and more durable. Good stability, no air leakage. 【Easy Operation】Quick docking in one second, no air leakage, strong sealing without blurring. Slide the 20-SH snap ring collar back and into the 20-PH base, then slide the 20-SH snap ring all the way back to lock it in place. 【Prevent Air Leakage】The gas pipe connector nozzle has a thickened sealing rubber ring, which can be rotated 306 degrees without air leakage, which improves the sealing performance. Prevents air leaks when the nozzle is disconnected or when changing tools. 【Wide Uses】The copper nozzle for gas hose is suitable as a hose assembly for patio heaters, as well as for gas hoses for stoves, barbecues, camping, caravans, motorhomes. 【6 Pieces Air Coupling Adapter】: There are 2 types of male/female air hose connectors, 2 common SH-20 and 4