Width: 3 mm (⅛ inches); Thickness: 1.6 millimeters; Length: 7 inches; Clasp: Lobster-Claw; Weight: 3 grams Features a solid brass core (a strong metal made of mainly copper & zinc), assures durability & longevity (even with regular everyday use) Plated with a thick layer (0.25 mils) of real rhodium bonded onto a solid brass core (metal weight of about 3 grams) Microfiber jewelry polishing cloth + black velvet pouch included