Pandahall 200 Strands Solder 316 Stainless Steel Ends Extender Chains Twist Chains, 40x3mm Size: about 40mm long, 3mm wide; chain links: 4mm long, 3mm wide, 0.5mm thick. Priced per 200 Strands. Material:Stainless Steel The extender chain allows for an adjustable length. 316 Stainless Steel Ends Extender Chains, Twist Chains, Solder, Stainless Steel Color Shipped by USPS from China, usually takes 7~15 days to receive it. Expedited shipping service available.