Circular cap: 1 1/4 in x 1 1/4 in x 1 1/4 in; Metal tube: 1 1/8 in x 1 1/2 in x 1 1/2 in
This record contains a part from a single channel tube, de assembled into two parts. One part is a metal tube, the other part is a circular cap which fits into the tube. The outside of the cap has six pins that protrude from the other side, and a protruding metal cylinder. The inside of the cap has several different components including two reflective pieces, a copper piece, and a ceramic piece.