Shipwreck Beads Electroplated Brass Lobster Clasps, Heart, 10 by 13 mm, Antique Copper, 20-Pack Lobster claw clasps are a great choice for economical jewelry designs Made of durable, lead safe electroplated brass Adorable heart shape makes this a great choice for valentine's day designs Secure with a 4-6-mm split or jump ring finding and or a crimp bead Measures 10-mm by 13-mm; comes in 20/pack