Victaulic® Zero-Flex™ Rigid Coupling With Grade E EPDM Gasket, 07 Series, Coupling Fitting, 1-1/4 in Connection Size 1, Connection Type 1: Grooved, 1-1/4 in Connection Size 2, Connection Type 2: Grooved, Grooved Connection, Iron, Material Construction: Iron, Finish: Hot-Dipped Galvanized, 750 psi, For Use With: Original Groove System, Roll Grooved and Cut Grooved Pipe, OGS Grooved Fittings, Valves and Accessories, 1.66 in Dia x 4.62 in L x 1.84 in D, -30 to 230 deg F, Additional Information: 3/8 x 2 in Bolt Size, 2 Holes