Shipwreck Beads ME5423-S Zinc Alloy Spacer Bead Tube With 4mm Hole (25 Pack), 7 x 9 mm, Silver Spacer bead tube with 4mm hole Made of zinc alloy, perfect for jewelry making and craft projects Available in silver color and metallic finish Great choice for the designer on a budget Make necklaces, ankle bracelets, keychains and more