These are a pair of Crocket & Kelly handcuffs. I do not know much about handcuffs. They appear to be in very good condition. They are not rusty and are heavy duty. The latch is made of laminated steel. T is no key with these. Be glad to answer any questions. Nice collectible.Please check our other auctions. We offer quality items - most of them are vintage collectible items. If you have a question, please ask before bidding and we will try to answer them promptly.