Amp meter and probe. (a) Amp Meter. Material: metal, textile, glass, rubber. Size: 7 1/2" x 9 1/2". Description: gray metal box; leather handle at top; glass cover; "A-C Amperes, General, Made in U.S.A."; General Electric logo; paper graph under glass; black rubber electrical cord attached to side of box. (b) Probe. Material: metal, rubber. Size: 45" L. Description: black rubber handled probe; silver metal clamps attached to handle; black rubber electrical cord attached to handle.