Designed for reliable performance in welding applications, these B Size Couplers from Western Enterprises feature a right-hand male connection specifically for oxygen. Crafted to meet the demands of professional welders, they ensure secure and efficient gas flow, essential for achieving optimal welding results. However, it's important to note that this product may expose users to lead, which is known to the State of California to cause birth defects or reproductive harm; for more information, please visit www.P65Warnings.ca.gov. Ideal for those in need of durable and dependable welding accessories, these couplers are a crucial component in any welding setup.