Product Description

  specification:
 1. Handcuffs **0mm in length
 2. The thickness of the lower and upper plates of handcuffs is 2.5mm
 3. Adjustable *0 speeds, with groove, 3.5mm gear thickness
 4. When the first gear is locked, the maximum inner diameter is *8mm
 5. When the last gear is locked, the minimum inner diameter is *0mm
 6. Two-stage lock or three-stage lock
 7. Weight **6g (excluding key)
 8. Accessories: 2 keys per set of handcuffs, key length *3.5mm
 9. Two or three-piece hand arrows inside handcuffs, 3 teeth each