Smith & Wesson Model 1850HS High Security Transport Restraint. Composed of a pair of high security Model 1 universal chain handcuffs attached by a heavy duty 32″ chain to a pair of high security Model 1900HS leg irons. Handcuffs and leg irons are keyed alike with Cuff-Maxx ASSA lock cylinders. 2 Keys included.
Available at Handcuff Warehouse: http://www.handcuffwarehouse.com/smwemo18hise.html .