Professional-grade Smith & Wesson Model 100 chain link handcuffs provide quick, reliable restraint strong enough to hold even the least cooperative prisoner. They exceed the National Institute of Justice's most demanding standards, demonstrating their suitability for law enforcement applications. The durable steel is treated with a matte black Melonite surface coating, which provides exceptional durability and scratch resistance. Their heat-treated mechanisms and smooth ratchets give them an easy action, allowing you to rapidly cuff a suspect. The double lock resists tampering and prevents the cuffs from tightening further once fastened, so they won't damage your prisoner's wrists.