The classic design is new and improved. The Model 701C features an improved internal lock mechanism for increased tamper resistance, smoother ratcheting action and greater durability. The 701C incorporates spun rivet construction, push pin double lock capability, Nickel and black oxide finish. Two keys supplied. The Model 701C is made to meet National Institute of Justice Standard 0307.01 and comes with a lifetime warranty for manufacturer defect. Made in USA.