100PCS Copper Heat Sink Laptop GPU CPU Heat Sink Copper Shim 20x20x0.3/0.5/0.8/1.0/1.2/1.5mm 100PCS Copper Heat Sink Laptop GPU CPU Heat Sink Copper Shim 20x20x0.3/0.5/0.8/1.0/1.2/1.5mm. Sale price : $5.69 Category : Tools