This listing is for One Pair (2) Silver Plated Solid Copper Bus Bars. They measure 17 1/2" x 3/4" x 1/4" inches, and weigh 2.45 pounds. The holes are 1/8” diameter and are spaced 3/4” apart (center to center). The bars are in very good condition with some minor surface wear. One photo shows a cut piece with the solid copper inside.