The Strict Leather Premium Locking Leather Cuffs are 5.7 cm wide and reinforced with three layers of leather. This heavy duty design provides additional security and weighs in at over 283.50 gram. They come with our locking buckle design, which can be used with or without a lock. For our complete set of premium restraints, get the wrist as well as the ankle cuffs. Also, see our matching collar below. Restraints sold as a pair. Locks not included. Wrist cuffs are sized from 14 cm-22.9 cm. Ankle cuffs are sized from 15.2 cm-33 cm.