Peerless Handcuff Company Security Chain with Oversize Pass-Through Link and Heavy Duty Snap at Either End (78-Inch) The 60" length and heavy duty clip allows for easy waist size adjustment Specially designed end link is compatible with all commonly used handcuffs The end link can also be slotted into any link on the chain and will fit Black and Blue style security boxes Lifetime Warranty for Manufacture Defects Made in USA