Hollow bead features: 1.fine steel material 2.with hole in center 3.8mm bead size 4.plated treatment Classical 8mm antique copper metal hollow bead made of fine steel sheet With a beautifull antiqued copper finish, these measure 8mm in diameter and are "hollow". Its perfect for jewelry supplies and jewelry chains amking, also widely applied for lamp cvering, curtain design;Specifications of metal ...