1/4 Inch Automotive Steel Coupler x 1/4 Inch Male NPT (Silver Color), PK 25
. Interstate Pneumatics CA441Z 1/4 Inch Automotive Steel Coupler x 1/4 Inch Male NPT. Precision machined from solid steel bar stock, which provides longevity during mechanical shock in rugged applications.These couplers are interchangeable with the Automotive (True-Flate) Standard series couplers produced by other manufacturers.