Rigid Angled Handcuffs Spreader Bar Wrist Restraint. These include one key. This allen-style key is not a standard handcuff key and will only work with this lock. 

Item Specifications: 

Size:7" / 17.78 cm (Inside Circumference)
Cuff Height:1.5" / 3.81cm 
Bar Height:1" / 2.54 cm
Bar Length: 3.5" / 8.89 cm
Finish: Polished Stainless Steel
Key: Allen Style, Screw Shut

This handcrafted item is made of stainless steel with a polished finish. It's heavy but comfortable, and will keep your sub restrained as long as need be.

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