[Connection Method]: 6 feet propane regulator hose is suitable for all QCC1 connections, internal thread 9/16"-18UNF connector with non-slip button [Large Capacity]: Stop spending money on the 16.4oz / 1lb propane tank, the regulator hose can be connected to the 5-40lb propane tank to extend the cooking time [Scope of Application]: The regulator hose is suitable for Blackstone Tabletop grills and Coleman portable grills (note the connection method of the connector) [Easy to Install]: No tools are required, just tighten the QCC1 / Type1 propane tank joint and 9/16"-18UNF non-slip button to complete the installation [Safe and Firm]: High-quality brass, to ensure the tight connection between the propane tank and the regulator. Please use bubble water to check whether the joint is tightened before use