The 2PCS Welding Hose Coupler Adapter Set is a high-quality brass repair kit designed for welding torch hoses. With a nominal wall thickness of 1.5 millimeters and an outside diameter of 16.8 millimeters, this set includes two adapters for connecting and repairing welding hoses. The gold-colored couplers have a maximum pressure of 200 pounds per square inch and are compatible with 9/16"-18 LH&RH torch hoses. Made from durable brass material, this set ensures a secure and reliable connection for your welding equipment.