Feature: 1. Made of high quality aluminum alloy, good thermal conductivity. 2. Reduce the risk of hardware failure due to overheating. 3. Maximize surface area designed in contact with the cooling air. The 16 pcs fins increase the area of the board and thus provide for greater heat transfer. 4. Specially designed for high power household LED light or fish tank LED devices, etc. 5. Please make sure that the size of the heat sink fits that of your component Specification: Features: Made of high quality aluminum alloy, good thermal conductivity. Reduce the risk of hardware failure due to overheating. Maximize surface area designed in contact with the cooling air. The 16 pcs fins increase the area of the board and thus provide for greater heat transfer. Specially designed for high power household LED light or fish tank LED devices, etc Please make sure that the size of the heat sink fits that of your component Specifications: Meterial: Aluminum Alloy Floor Thickness: 2.2mm Blade Thickness: 1mm Space Width: Middle Slot 3.8MM, Others 2.82mm Fins: 16pcs Item Size: 10 * 6 * 1cm / 3.9 * 2.4 * 0.4in Item Weight: 70g / 2.5oz Package Size: 10.5 * 6 * 1.2cm / 4.1 * 2.4 * 0.5in Package Weight: 72g / 2.5oz Package List: 1 * Heat Sink Package List: 1 * Heat Sink