Precision machined from solid brass bar stock which provides longevity during mechanical shock in rugged applications. These couplers are interchangeable with the Industrial (Hansen or Milton) Standard series couplers produced by other manufacturers.1/4 Inch Industrial Brass Coupler x 1/4 Inch Female NPT 3 Ball + Low Profile, PK 50 Maximum working pressure 300 PSI..
3/8 Inch Auto Steel Coupler x 3/8 Inch 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.
Maximum operating pressure 300 PSI.1/4 Inch Industrial Steel Coupler Plug x 3/8 Inch Easy-Lock, PK 25 These plugs are interchangeable with the industrial (Hansen or Milton type) standard series plugs produced by other manufacturers..