Description: Corrugated flexible flex propane gas line Temperature resistance and heavy duty 1/2" OD x 3/8" ID 24 inch gas line stainless steel pipe in black coating with fittings 1/2" Male Flare x 1/2" Male NPT fitting end, we've included a 1/2" Male Flare x 1/2" Female NPT fitting for your convenience There is a staggered pitch every 2" to Eliminate Whistling Specification: Material: metal Package Includes: 1 Piece Propane Gas Line