Magic Optical Crystal CRY301 CRY313 CRY320 13”x 4¾” 5¾”x 6¾” 3½”x 10½” CRY311 3½”x 9¾” CRY309 5”x 9¼” CRY164 5¼”x 10½” CRY302 5 7½”x 6”