Cam and Groove Coupling Socket Body Material Brass Type C Coupling Size 4 in For Hose I.D. 4 in Male Connection Type Hose Shank Hose Fitting Size 4 in Male Hose Shank Max Working Pressure @ 70 F 100 psi Socket Inside Diameter 4 in Gasket Material Nitrile Overall Length 6 11/32 in Includes Locking Arm Yes