Comparison : Item # MB-04-04, 1/4 Inch (in) Inner Diameter and 7/16 - 20 Inch (in) Thread Size Carbon Steel Standard Shell ORB Male Rigid Hydraulic Hose Coupling
Item # MB-04-06, 1/4 Inch (in) Inner Diameter and 9/16 - 18 Inch (in) Thread Size Carbon Steel Standard Shell ORB Male Rigid Hydraulic Hose Coupling
Item # MB-06-06, 3/8 Inch (in) Inner Diameter and 9/16 - 18 Inch (in) Thread Size Carbon Steel Standard Shell ORB Male Rigid Hydraulic Hose Coupling
Item # MB-06-08, 3/8 Inch (in) Inner Diameter and 3/4 - 16 Inch (in) Thread Size Carbon Steel Standard Shell ORB Male Rigid Hydraulic Hose Coupling
Item # MB-08-08, 1/2 Inch (in) Inner Diameter and 3/4 - 16 Inch (in) Thread Size Carbon Steel Standard Shell ORB Male Rigid Hydraulic Hose Coupling