Be sure not to be caught this Halloween in this Spiked Manacle on Chain. Measuring 10 inches in diameter, the spiked manacle is made of soft foam. It features outer spikes measuring 1.75 inches in length and inner spikes measuring 1.25 inches in length. The attached plastic chain measures 18 inches in length. It features large links detailed with molded texture. Complete your prison and asylum settings or accessorize your zombie and prisoner costume with this manacle prop.