The Model 801 provides additional restraint by more effectively restricting hand and arm movements. The Model 801 features all steel construction, spun rivets, tumbled edges and smooth single strand action. The Model 801 has the ability to fold flat for compact storage. It has a 10 percent larger inside perimeter then the Model 700. The Model 801 has been approved by the National Institute of Justice. Lifetime warranty for manufacturing defects and two keys supplied. Made in USA.