1, -Gas Valve Made of Brass with 3/8" Male Flare Thread and Other side with M10X1 Metric Thread. 2, Along with the High Pressure Valve, It comes with a Stainless Steel Damper and Spring Holder Which can connect the valve and burner inlet to adjust air flow. 3, This Valve is high pressure needle control valve which can adjust flame, open and close the propane gas. 4, The Orfice for Burner is 0.047" , if not enough for your burner, you can drill it little bit bigger for your application. 5, Great for Used on Camping Stove, DIY easy grill, Fireplace, and Outdoor Cooking Gear without Safety Flame Failure Device. Package list: 1 x Stove Needle Control Valve Set .