Blue metal short duration foot restraint designed to be used on the International Space Station (ISS), 10" x 6" x 3", with a pair of Velcro toe straps to the top, and a locking mechanism with rotating wheel to the underside, which bears an orange "Non-Flight Like" sticker and a parts label: "SVMF, 1309, Desc. Short Duration Foot Restraint (SDFR), PN G11F5001-1-MU, SN NA." In fine condition.