Smith & Wesson model 300 double lock hinged satin nickel finish handcuffs, 2 keys included. Double Hinged design to further restrict movement for special applications. Has double lock slot configuration for increased security. They are difficult to escape from even if the subject has the key. The inner perimeter measures 5-3/4" to 8" with 22 locking positions. Includes Smith & Wesson's lifetime warranty and instructions.

• Wrist Opening: 2.03"
• Locking Positions: 22
• First notch inside perimeter: 8.10"
• Last notch inside perimeter: 5.80"
• Tightest inside width: 1.80"
• Distance between cuffs: 2.00"
• Maximum overall length: 8.13"
• Weight: 11 ounces