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These chain handcuffs are made from highly resistant aircraft duraluminum in combination with stainless steel.
Thanks to used material weighs only 240 g, however, they maintain the toughness of a standard metal handcuffs.
It is medically sound and does not cause skin allergies (as compared to handcuffs with nickel or chrome surface cover).
The mechanical strength of the handcuffs complies with the high demands of the NIJ 0307.01 standard, the internationally recognized metal handcuffs performance test.
Thanks to a double lock the handcuffs are significantly more secure against attempts to unlock them.
They are supplied with a pair of keys with a unique shape (standard universal key).
Main parts of handcuffs are made from duraluminum of the type 6061.
Locking mechanisms and rivets are made from stainless steel.
Movable jaws are made from chromium-plated stainless steel.
Total Length: 246mm.