Brass Ball Boston Link Chain Necklaces, with Lobster Claw Clasps, Real Platinum Plated

Size: about 17.72 inch(45cm) long, 0.02 inch(0.05cm) wide, ball: 0.08x0.08 inch(0.2x0.2cm), distance between ball and ball links: 1.18 inch(3cm), extender: 2.36 inch(6cm).