Item Type: Flat Face Hydraulic Fitting (Hydraulic Quick Coupler) Thread: Male 3/4" NPT + Female 3/4" NPT Body Size: 1/2" Total Length: 5.4" / 137.3mm Material: Carbon Steel Rated Pressure: 5076 PSI Compatible Equipment: Skid Steer Loader, Snow Plow, Excavator, Backhoe Female One Length: 3.1" / 79mm Thread: 3/4" NPT (Tapered Pipe) Thread End Inside Dimension: 0.93" / 23.7mm Thread End Outside Dimension (Parallel lines) : 1.4" / 35.5mm Thread End Outside Dimension (Hexagon Opposite Angles): 1.57" / 40mm Another End Dimension:1.5" / 38mm Male One Length: 3" / 76mm Thread: 3/4" NPT (Tapered Pipe) Thread End Inside Dimension: 0.93" / 23.7mm Thread End Outside Dimension (Parallel lines) : 1.4" / 35.5mm Thread End Outside Dimension (Hexagon Opposite Angles): 1.57" / 40mm Another End Dimension: 0.97" / 24.54mm Notes:All Dimensions May be Subject to a Slight Measurement Error. Package List 1 Female Flat Face Coupler 1 Male Flat Face Coupler 1 Male PVC Protective Cover 1 Female PVC Protective Cover