From TierraCast's new Alternatives Collection, black finish over lead-free pewter. It's part gothic, part youthful, part futuristic. It's a versatile and unique shade that can be classy and edgy at the same time! Create adjustable-length jewelry with these S-hook clasps. We recommend using 6mm or 7mm closed jump rings to join the clasp at each end to your necklace. Quantity: 2 S-hooks. Rings are not included. Measurement: 11mm wide, 22.5mm total length. TierraCast Pewter is made in the USA, using Lead Free Pewter that exceeds both the CPSC standard and the new California law regulating children's jewelry content.