Streamlight Head Restraint Kit (2 Required) - HID LiteBox. If you need to replace the Head Restraint of a Streamlight HID LiteBox Lantern you will need TWO of the Streamlight HID LiteBox Head Restraint Kit. We're the best place online to buy official replacement Streamlight parts. We sell a huge variety of replacement parts and upgrade components for Streamlight flashlights. Parts can wear out even with Streamlight levels of quality - and sometimes on-the-job abuse takes its toll. Either way you can buy replacement parts here Features of Streamlight 45642 Head Restraint Kit for HID LiteBox Lanterns: Fits: HID LiteBox Lanterns Replacement Head Restraint (2) required Package Contents: Streamlight Parts - Replacement Head Restraint Kit HID LiteBox Lanterns 45642 Streamlight Head Restraint Kit (2 Required) - HID LiteBox 45642