3/4 in. Copper x 1 in. Male AdapterSpecifications. Copper Sweat Solder. To Male Pipe Thread.. Dimension - 1.91 x 1.38 x 1.38 in.. Item weight - 0.29 lbs.Features. 3/4 in. Copper x 1 in. Male Adapter. Copper Sweat Solder. To Male Pipe Thread.. Dimension - 1.91 x 1.38 x 1.38 in.. Item weight - 0.29 lbs.