Total length: approximately 28cm Chain only. Material is unknown, but likely steel. This was included with a vintage USA-made trucker wallet I purchased about two years ago. This item is used. Please ask any questions you may have before purchasing. Please note that this is a subjective assessment, so those seeking a perfect item or those concerned about minor details should refrain from purchasing. Please purchase only after you are satisfied with the photos and condition. Price negotiations after purchase are not accepted. Also, refunds and returns are not accepted to prevent product substitution.