It is around 20 mm long and weighs 0.9 grams. Please, do not hesitate to ask questions. The item “Antique 14k Solid White Gold Swivel Clasp 14ct Pocket Watch Chain Clasp” is in sale since Sunday, October 6, 2019. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Antique”. The seller is “myleft0verstuff” and is located in San Francisco, California. This item can be shipped worldwide.