Circular cap: 1 1/4 in x 1 3/8 in x 1 3/8 in; Metal tube: 3/4 in x 1 1/2 in x 1 1/2 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 capc which fit into the tube. The circular caps have five pins and a protruding metal cylinder on one side. The other side of the cap has several different components including two reflective piece and a ceramic piece. One of the circular caps does not have a flat metal bottom piece attached to it.