1、Working Process: Our red copper heatsink shim conducts heat and fills the gaps between the graphics card and the heat sink module to improve thermal conductivity and reduce the maintenance of the graphics card. 2、Easy to Carry: Red copper heatsink shim is small in size, easy to carry and install, friendly to novices. 3、Safe and Practical: The red copper heat sink sheet is made of exquisite craftsmanship, which can ensure the safety of equipment, such as computers and laptops, when in use, and is very practical. 4、Sturdy and Wear Resistance: The red copper heatsink sheet is sturdy and wear resistant, and can be used stably. 5、Usage Scenario: Red copper heatsink shim can be used for passive heat dissipation of laptop, CPU, GPU, RAM, VGA, IC chips, etc. 20 x Red Copper Heatsink Shim Item Type: Laptop Graphics Card Heat Sink ShimMaterial: Red CopperSize: Approx. 20 x 20mm / 0.8 x 0.8in (L x W)