Smith & Wesson Model 100-1 Handcuffs. Double locking, satin nickel finish, 2 handcuff keys included. High quality construction for years of service. S&W Model 100 handcuffs are the best selling police handcuffs in the world. Includes Smith & Wesson's lifetime warranty and instructions. Satin nickel finish provides better grip, is less reflective, and hides scratches. -Wrist Opening: 2.04" -Locking Positions: 22 -First notch inside perimeter: 8.40" -Last notch inside perimeter: 5.80" -Tightest inside width: 1.80" -Distance between cuffs: 2.00" -Maximum overall length: 8.98" -Weight: 10 ounces