This set of handcuffs was listed with a 'Buy-it-Now' price of $650 (Plus $10.50 Shipping) and finally sold with a 'Best Offer' of $450.
Up for auction is this Unique pair of magnetic handcuffs manufactured by the Fabrique National (FN) firearms company in the 1960’s. This set is in excellent condition, and has the original FN magnet key complete with key ring and cover plate.
These handcuffs were made of the highest quality, and were only manufactured for a short period of time. The cuffs lock and unlock by inserting the magnet into the receptacle and retracting until the hasp releases. Very unusual! - eBay