K-T Industrie's ARO 1/4" Male NPT 1/4" Coupler delivers durable, high-performance connections for pneumatic systems, featuring a 1/4" male NPT design that is fully interchangeable with most ARO(R) series couplers and plugs from other manufacturers. Built with zinc-plated solid brass bodies and sleeves, stainless steel springs, hardened steel locking balls and valves, and reliable Buna-N (Nitrile) seals, this coupler ensures secure, leak-resistant operation. Its precision-machined bar stock construction provides superior resistance to mechanical shock, making it an ideal choice for demanding shop, garage, and industrial applications. | K-T Industries Aro 1/4'' Male NPT 1/4'' Coupler