Fits most standard Chain Link handcuffs Prevents small wrists from slipping through fully closed handcuffs Provides the ultimate security against cuff slipping while reducing wrist injury Fits most standard Chain Link Handcuffs. The Handcuff Helper is an accessory that prevents small wrists from slipping through fully closed handcuffs. Easy to install and impossible to remove while the cuff is closed on a wrist. Provides the ultimate security against cuff slipping while reducing wrist injury from abrasion caused by contact with the handcuff locking arm. Specifications Brand: Zak Tool Manufacturer part #: ZAK-68 UPC: 819673010762 Category: Restraints › Handcuffs Shipping weight: 0.07 lb Country of origin: US Ships fast from GunCycle — free economy shipping on orders $99.99+.