Libra Supply 1-1/4 x 3/4 inch(Nominal Size) Copper Pressure Coupling Bell Reducer, C x C (click in for more size options) 1-1/4'' x 3/4'', 1-1/4 x 3/4-inch Copper Pressure Pipe Fitting Plumbing Supply Provides a reduced socket size for aboveground water supply piping Copper construction C x C copper to copper connection type Solder connection required Fitting ID Size: 1-3/8'' x 7/8'' (OD 1-1/2'' x 1''), Fitted Pipe ID Size: 1-1/4'' x 3/4" (OD 1-3/8'' x 7/8'')