Features: 1. The practical cooling heat sink can effectively reduce heat, which can maintain the proper temperature to keep your computer running well 2. U-type radiation stripe design of the desktop cooling heat sink can effectively improve the efficiency of heat transferring 3. With built-in water separator to keep the water mixed and keep the water away from the equipment to ensure safety 4. The small heatsink is suitable for computer CPU cooling system, also for other professional electronic or chipset cooling, work for 8-10 mm diameter of tube 5. The aluminum computer cooling heat sink is easy to install Specifications: Color: Black Material: Aluminum Applicable Tube: 8 - 10mm Pipeline Quantity: 8 Size: 10.5 * 8 * 2.6 cm Package List: 1 * Computer Cooling Heat Sink 8 * Screws (Short and Long)