Solid Materials: Made of high quality 100% solid brass, it ensures long service life and durability under continuous use. The propane refill adapter does not wear out or decompose and is heavy-duty, reliable, and rust-free for operation. Safe Reliability: Built-in safety features will ensure you don't overfill your small cans. When the pressure is reached, the gas flow is cut off automatically. No gas leaks, gas cylinder coupler is made of materials that ensure longevity and general use. Connection: The propane tank adapter end fitting- QCC1/Type 1 Connection and 1/4" male pipe thread. Connect a 20lb-40lb propane tank to your regulator / hose assembly with a 1/4" female pipe end. Easy Install: No others tools required and easy to install, and just tighten the handwheel handle. Fits all 1lb propane grill cylinder bottles and refill easily and quickly. Used Widely: This propane adapter is perfect for BBQ gas grills, heaters, camping stoves, lanterns, tabletop grills, propane smoker and other propane appliances.Products from jinyu's store