Concealed handcuff key and pen combination

A pen and concealable handcuff key combination comprising a pen of the type having:

• a. a hollow, cylindrical housing including an upper section and a lower section, said upper section comprising a removable cap and said lower section having a tapered, conical-shaped end with an opening;
• b. an elongated cartridge in the housing, said cartridge being rotatable relative to the housing for actuating axial movement of the cartridge relative to the housing;
• c. wherein said cartridge is received into a liner within the housing, said liner having an inner spiral thread and being adapted for receiving said cartridge and rotating the liner relative to the cartridge;
• said cartridge further including a tip at one end of the cartridge which is shaped to be extended and retracted through the opening at the tapered end of the housing;
• d. the handcuff key having a cylindrical body with opposite ends, one end including a flat, rectangular latch tab adapted to release a handcuff lock and the other end being secured within the cylindrical housing whereby the handcuff key is stored and concealed within the cylindrical housing and cap and is exposed for use by removing said cap;
• and
• e. a cylindrical shaft including an upper section and a lower section, the upper section being attached to one end of the handcuff key and having a first diameter and the lower section having a second diameter which is smaller than the first diameter, said lower section having a threaded exterior whereby the lower section is threadably secured within the liner, wherein the cylindrical shaft is attached to the interior of the liner, the liner and handcuff key being contained and concealed within the pen when the removable cap is secured to the upper section of the cylindrical housing.