Circular cap: 1/2 in x 1 1/4 in x 1 1/4 in; Metal tube: 1 1/4 in x 1 3/8 in x 1 3/8 in
This record contains a part from a single channel tube, de assembled into three parts. One part is a metal tube, the other two parts are circular caps which fit into the tube, one at a time. One side of the caps has five pins with some wires on the ends, and four circular indents. The other side of the circular caps has reflective components and gold caps for the pins.