there have pictures to show you how the clasp works.the Wax wire rope rope is only 45cm long and the Diameter of rope is 3mm ，the Stainless Steel Width:0.17 Inch 4.5mm，It's thicker than the rope. It's more fit for women or children.there have 7 length size you can choise. I hope you like to use this leather rope to hang down the pendant you like ，We promise to return the goods within 30 days if you are not satisfied