Smith & Wesson"s Model 100 Series has become a standard piece of equipment for many law enforcement agencies. The cuffs are made with heat treated internal lockworks, featuring smooth ratchets and double locks to ensure a quick and secure cuffing. S&W are renowned by law enforcement agencies worldwide for their professional strength, quality, and ease of use.Two Handcuff Keys IncludedExceeds National Institute of Justice TestsDouble Locking MechanismCorrosion and Tamper Resistance • Color: Silver • Finish: Nickel • Lock Style: Two Sided • Material: Carbon Steel • Special Features: Comes With Two Keys • Style: Chain