Features: 1.Effectively for heat reducing, maintain the proper temperature to keep your computer running well. 2.U-type radiation stripe design can effectively improve the efficiency of heat transferring. 3.Built-in water separator to keep the water mixed and keep the water away from the equipment to ensure safety. 4.Side board is processed with powder spraying technique, smooth and comfortable for hands feeling. 5.Suitable for computer CPU cooling system, also for other professional electronic or chipset cooling, work for 8-10 mm diameter of tube. specification: Effectively for heat reducing, maintain the proper temperature to keep your computer running well. U-type radiation stripe design can effectively improve the efficiency of heat transferring. Built-in water separator to keep the water mixed and keep the water away from the equipment to ensure safety. Side board is processed with powder spraying technique, smooth and comfortable for hands feeling. Suitable for computer CPU cooling system, also for other professional electronic or chipset cooling, work for 8-10 mm diameter of tube. Easy to install. s: Color: Black Material: Aluminum Applicable Tube: 8 - 10mm Pipeline Quantity: 18 Size: Approx. 27.5 * 11.8 * 3.2cm Package List: 1 * Computer Cooling Heat Sink 1 * Short + Long Screws Kit Note: The screw hole is directly under the water pipe, so do not twist long screws on any position of the heat sink' surface, otherwise it will leak. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.