A spring-loaded deployable satellite antenna inside a metal cylinder, measuring 6.5″ long and 2″ in diameter, marked on the side, "442935-1, 61349," and on the base, "11982-442936-1, Mfr. 92286." A cotter pin across the top keeps the antenna from deploying; do not pull cotter pin as it will result in permanent deployment of the antenna. In fine condition.