Smith & Wesson 311360000 Handcuff Key Stainless Steel
https://www.tandktactical.com/shop/022188878417-smith-wesson-311360000-handcuff-key-stainless-steel-3720
https://www.tandktactical.com/web/image/product.template/3720/image_1920?unique=6f87c08
This Smith&Wesson opens all standard double lock handcuffs, leg irons, thumbcuffs, and is a replacement key.
