Victaulic® Coupling, 750 Series, Coupling Fitting, 2-1/2 in Connection Size 1, Connection Type 1: Grooved, 2 in Connection Size 2, Connection Type 2: Grooved, Grooved Connection, Iron, Material Construction: Iron, Finish: Hot-Dipped Galvanized, 500 psi, For Use With: Original Groove System, Roll Grooved and Cut Grooved Pipe, OGS Grooved Fittings, Valves and Accessories, 2.375 in ID x 2.875 in OD x 5.93 in L x 1.88 in W