Cuff-Maxx High Security Transport Box. Prevents tampering by keeping keyholes completely covered. Works with Peerless 710 high security handcuffs and Smith & Wesson Model 100HS high security handcuffs. Works just like standard black/blue boxes. Hinged box closes over handcuffs, steel clip is applied over box. Then you can lock with a padlock or secure with a waist chain. Constructed of heavy gauge aluminum. Powder coated orange for high visibility. Weighs 18 ounces.