Materials: Coupling: Steel - Zinc plating Cr6 Free Nipple: High Grade Carbon Steel with heat treated wear Parts. Features: Meet ISO 16028 Standard FLush-Faced poppet for a minimal air inclusion when connecting. Minimal fluid loss during disconnection and for an easycleaning. Both sleeve and nipple are hardened to make the couplings resistant to damage frow brinelling and mechanical shock minimal pressure drop. A safety sleeve lock prevents accidental disconnection push-to-connect operation allows one hand operation when connecting to coupling. Dust caps available,Female Pipe and BSPP or NPT thread are available upon request. Interchangeable: PARKER FE/FF/FEM Series , Hansen Qa2900 Foster FF Series, Faster FFH ,CEJN X62