. Precision machined from solid steel bar stock which provides longevity during mechanical shock in rugged applications.3/8 Inch Auto Steel Coupler x 3/8 Inch Easy-Lock Barb (Silver Color), PK 50 Maximum working pressure 300 PSI. These couplers are interchangeable with the Automotive (True-Flate) Standard series couplers produced by other manufacturers.
. These couplers are interchangeable with the Universal Standard series couplers produced by other manufacturers.1/4 Inch Universal Steel Coupler x 1/4 Inch Male NPT, PK 25 Maximum working pressure 300 PSI.
Precision machined from solid steel bar stock which provides longevity during mechanical shock in rugged applications.1/2 Inch Industrial Steel Coupler x 1/2 Inch Female NPT, PK 25 Maximum working pressure 300 PSI. These couplers are interchangeable with the Industrial (Hansen or Milton) Standard series couplers produced by other manufacturers.