Dixon Valve & Coupling 6WF6-B-HN Hydraulic Hose Fittings & Couplings; Type: W-Series Wingstyle Hex-Nut Female Threaded Coupler ; Fitting Type: Coupler ; Hose Inside Diameter (Decimal Inch): 0.7500 ; Hose Size: 3/4 ; Material: Brass ; Thread Type: NPT