[STRONG AND DURABLE]Made of 100% high-quality solid brass, durable, anti-corrosion, rust-free and air-tight fit. Precise threaded connections provide a tight and efficient connection to 1 and 20 lb propane tanks, giving you a secure and airtight connection.[EASY INSTALLATION]No extra tools, out of the box, then insert the adapter (QCC1) into the 20 lb propane tank, screw the 1 lb empty propane tank clockwise into the other end of the adapter, you can refill Please note it must be outdoors and work away from sources of ignition.[SAFE USE]The propane adapter has a built-in pressure threshold safety feature that automatically cuts off gas flow when the cylinder reaches pressure, ensuring you never overfill a 1 pound (about 453.6 grams) disposable cylinder. Tip: It is recommended to fill a 1 lb propane gas tank, 80% full.[Wide Compatibility]Running out of fuel with a 1lb propane tank is no longer a problem, this adapter can fill your 1lb (about 453.6g) propane tank with a larger propane tank, perfect for heaters , camping stove, portable grill, tabletop grill, etc. Perfect for camping, tailgate parties, outdoor picnics.Colour:blackMaterial:brassPackage Contents:1 x gas valve regulatorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.