Shipwreck Beads Lead Free Zinc Alloy Lobster Clasps, 6 by 12 mm, Gunmetal, 40-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 6-mm by 12-mm; comes in 40/pack