1Made of 6063-T5 high quality extruded aluminum, which has good rust resistance and corrosion resistance, solid and durable to use. 2Good heat dissipation performance ensures safe and efficient work. 3Designed with slotted fine teeth to maximize the heat dissipation area and improve the heat dissipation function. 4Easy and convenient to install and remove. 5Suitable for mainboard, chips, stepping motor, driver module, driver, etc.