Shipwreck Beads Electroplated Brass Lobster Clasp, 5 by 12 mm, Silver, 20-Pack Lobster claw clasps are a great choice for economical jewelry designs Made of durable, lead safe brass Secure with a 4-6-mm split or jump ring finding and or a crimp bead Available in silver color Measures 5-mm by 12-mm; comes in 20/pack