Pandahall 1 Box Mixed Size Platinum Split Iron Double Jump Rings Size: 4mm/5mm/6mm/7mm/8mm/10mm, 1~1.3mm thick. Metal Color: Platinum; Material:Iron; Shape:Ring; 1 Box Iron Double Jump Rings, Mixed Split Jump Ring, Platinum Use for the female half of clasps, hooks and other fasteners. Shipped by USPS from China, usually takes 7~15 days to receive it. Expedited shipping service available.