Features: 1. Made of 6063-T5 high quality extruded aluminum, which has good rust resistance and corrosion resistance, solid and durable to use. 2. Good heat dissipation performance ensures safe and efficient work. 3. Designed with slotted fine teeth to maximize the heat dissipation area and improve the heat dissipation function. 4. Easy and convenient to install and remove. 5. Suitable for PCB, router, CPU, bridge chips, IC radiator, power amplifier board, power amplifier, power, module, mainboard, audion, electronic tube, electric appliance, electronic parts and components. Specification: Condition: 100 percent New Item Type: Aluminum Heat Sink Material: 6063-T5 High Quality Extruded Aluminum Product Model: Q28x6x71.5 Three Holes Color: As Pictures Shown Size: Approx. 71.5 x 28 x 6mm or 2.8 x 1.1 x 0.2in Application: for PCB, router, CPU, bridge chips, IC radiator, power amplifier board, power amplifier, power, module, mainboard, audion, electronic tube, electric appliance, electronic parts and components. Package List: 1 x Aluminum Cooling Fin