These are replacement coils for the Yocan Armor Plus Wax Pen.  The coils come in either the Dual Coil (QDC) or Triple Coil (QTC) configuration.  You can purchase them individually or in a 5-Pack.  The coils DO NOT include a replacement coil cap, however you can purchase them individually or in a 5-pack in this listing as well.  

In The Box
Yocan Armor Wax Pen Replacement Coils OR Coil Caps