20Pcs 5 Style Brass Cable Chain Extender, End Chains with Spring Ring Clasps, Real 18K Gold PlatedSize: about Chain Extender: 30mm long, chain: 2mm wide, clasp: 0.24 inch(6mm) in diameter, 9mm long, 1.5mm thick, hole: 0.06 inch(1.5mm), jump ring: 3.5x0.05mm, 4pcs; Chain Extender: 55mm long, chain: 2mm wide, clasp: 0.24 inch(6mm) in diameter, 9mm long, 1.5mm thick, hole: 0.06 inch(1.5mm), jump ring: 3.5x0.05mm, 4pcs; Chain Extender: 80mm long, chain: 2mm wide, clasp: 0.24 inch(6mm) in diameter, 9mm long, 1.5mm thick, hole: 0.06 inch(1.5mm), jump ring: 3.5x0.05mm, 4pcs; Chain Extender: 110mm long, chain: 2mm wide, clasp: 0.24 inch(6mm) in diameter, 9mm long, 1.5mm thick, hole: 0.06 inch(1.5mm), jump ring: 3.5x0.05mm, 4pcs; Chain Extender: 130mm long, chain: 2mm wide, clasp: 0.24 inch(6mm) in diameter, 9mm long, 1.5mm thick, hole: 0.06 inch(1.5mm), jump ring: 3.5x0.05mm, 4pcs; Box: 6.8x5.2x1.1cm, 1pc.