Hot Block Hardware - Standard / Magnum is used to mount the Hot Block to the Heat Sink in the Mosquito® Hotend, Mosquito® Magnum Hotend, and Mosquito® Liquid Hotend.

Hot Block Hardware - Magnum+®/Prime™ is used to mount the Hot Block to the Heat Sink in the Mosquito Magnum+® (Air, Liquid, & Conduct) and Mosquito® Prime™ (Air, Liquid, & Conduct) Hotends.