23K Gold Italian crafted 925 Sterling Silver 6.3mm, Hand-polished Miami Cuban Chain with a secure Box Lock link. Exclusively from us! DETAILS * Thickness: 6.3MM (Approximately) * Weight: 18": 47g / 20": 52.8g * Closure: Stamped Box Lock Clasp * Materials: Italian 925 Sterling Silver / Gold Plating * Link Style: Miami Cuban * Packed in a Twistedpendant Jewellery Pouch SIZING This chain is available in 20". This chain can be +/- 1cm bigger in length and 0.5cm in thickness or smaller than the stated size. Please bare this in mind when ordering. PLEASE NOTE: It can be quite tricky to undo the box lock to begin with. Once you have undone it the first time it will be a lot easier.