K-T Industries 6-5000 Coupler and Nipple Kit, Brass/Steel, Zinc

Interchangeable with most automotive series couplers and plugs produced by other manufacturers. Features zinc-plated solid brass bodies and sleeves with stainless steel springs, hardened steel locking balls and valves and buna-n (nitrile) seals. Plugs are plated steel with hardened wear points. Precision machined bar stock construction provides resistance to the effects of mechanical shock in rugged applications.