Peerless Chain Link Handcuffs feature an improved internal lock mechanism for increased tamper resistance, smoother ratcheting action and greater durability. These top quality chainlink handcuffs feature spun rivet construction and push-pin double lock capability. Weight: 10 oz.Material/Finish: Carbon Steel with Nickel finish (700C) or Carbon Steel with Black Oxide finish (701C)Specs:Minimum opening: 51 mm/2 inchesMinimum inside perimeter: 150 mm/5.9 inchesMaximum inside perimeter: 211 mm/8.3 inchesMaximum overall length: 236 mm/9.3 inchesSuppl