MATERIALS: High quality brass. Built heavier and. Anti- and leak free. It 't be easily corroded. POL to Adapter: Converts POL LP Tank to QCC1/Type1 hoses and regulators.Easy install & Multi-Purpose: Easy and quick to install to your propane equipment. Great for bbq grill, camping, outdoor stoves, heater, rv, griddle, fire pit and more.Convert old style or 5-100lb propane tanks to propane hose with -1. Not have to buy new tank valve.Provides secure and airtight connection between propane tank and propane applianceThis propane adapter allows you use your larger propane tank with the new style regulator on the propane tank connection place.Fits all 1 lb propane grill cylinder bottles and refill easily and quickly.Easy and quick to install to your propane equipmentModel: POL to QCC1Applicable to North America, Australia, and New Zealand gas tank interfacesTips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use.Material: brasscolour: yellowPackage Contents:1 x Gas adapterOnly the above package content, other products are not included.Note: Light reflection 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.