Shipwreck Beads Lead Free Zinc Alloy Lobster Clasps, 4 by 9 mm, Gunmetal, 20-Pack Electroplated zinc alloy rounded lobster claw clasp Made of lead-safe zinc alloy Secure with a 4-6-mm split or jump ring finding and or a crimp bead Available in gunmetal color Measures 4-mm by 9-mm; comes in 20/pack