Chicago Model 1000 Blue Handcuffs are double locking police handcuffs with a blue powder coated finish and exposed rivets for greater strength. With CHICAGO stamped into the steel plating, they feature 22 locking positions, a standard double lock system, and an inner perimeter measuring from 5 5/8" to 8 1/4". Weighing 9.4 ounces these cuffs have a solid feel. 2 keys included. An excellent value for professional quality handcuffs.