SpearsĀ® 1-Piece Flange, Flange Fitting, 3 in Connection Size 1, Connection Type 1: Socket, 3 in Connection Size 2, Connection Type 2: Socket, Socket|Socket Connection, CPVC, Material Construction: Molded CPVC, Gray, 1-3/32 in Flange Thickness, 4 Bolt Holes, 5/8 in Bolt Hole Diameter, Pressure Class: 150 lb, 150 psi, 7-9/16 in OD x 2-5/16 in H, Additional Information: 6 in Dia Bolt Circle, 3-1/4 in Minimum Bolt Length