Sweet Beads EWC Fundamental Finding is an amazing line of all the staples you will need for creating your jewelry designs. The base metal is often iron or zinc alloy. The base metals are then plated with Silver, Gold, Copper etc. All product is tested for lead and are lead safe. Not tested for Nickel. Fishhook Clasp Antique Copper 9pc- .75", oval, clasp, when closed, including rings on both sides, with ornate design.