Authentic Smith & Wesson Handcuff Key for S&W Models 100, 300, 1850, 1900 Go to amazon.com Related posts 15 best cuff key FeatureAuthentic Stamped "Smith Wesson" Handcuff KeysFits Models 100, 300, 1850, 1900Made in USA DescriptionAuthentic Stamped "Smith Wesson" Handcuff Keys. Fits Models 100, 300, 1850, 1900