FORD Uni-Flange® Wedge Action Tandem Restraint, High Pressure, Series: UFR2800-DA, 4 in Pipe, 4.8 in OD, 500 psi, 4 Bolts, 3/4 x 7 in Bolt, Mechanical Joint, Black Epoxy Coated, For Use With: Ductile Iron Pipe, Domestic