Premium Grain Pigskin Driver Gloves, Large, Unlined, Beige no checkout and brazing applications Ensures pressure tight connections and brazing applications Ensures pressure tight connections made in seconds Built in automatic reset check valves prevent reverse flow of gas by cutting off the gas under back pressure Oxygen and fuel gas models are not interchangeable in order to prevent wrong connections Color coded for fast Recycled plastic contractor bags for rugged cleanup and heavy trash Stackable dispenser cartons Extra heavy duty contractor bags for rugged cleanup and heavy trash Top quality bags have no side seams to split or gussets to weaken the bottom More porous leather for better breathability Returns to original softness after becoming wet from application or perspiration Shirred elastic wrist helps keep dirt and debris out of the glove Color coded cotton hem makes it easy to identify size