Detailed Product Description Coupler Body :BRASSSprings :AISI 301Locking O-Ring :AISI 301Balls :AISI 420Seals :Buna-N(Nitrile)Plug :STEELTriolym Industries is a professional manufacturer of hydraulic fittings, adapters, and quick couplings, adhering to JIC, SAE, DIN, BSP, JIS and ISO standards. We can offer more than 300 series, and totally with more than 10,000 items like high pressure hose, ...