** Welcome to Uebtech! Please look carefully at the product details before ordering. If you have any questions, please ask customer service (Monday-Friday, 9am-6pm), I hope to bring you a good shopping experience!8pcs/Set A8 Pure Copper Heatsink Cooler Adhesive Back PC Computer Heat Sink Graphics Card Memory IC Chip RadiatorFeature:1. Made of pure copper, excellent heat dissipation effect;2. It can also be applied to motherboards, graphics cards, sound cards and other chips. (The chip specification must not be smaller than the heat sink)3. Expand the heat dissipation area and speed up the air flow.Specification:Material: pure copperSize 14*12*5.5mmProduct weight: 55gInstallation matters:1. Detect the chip/video memory/memory particle size and make sure it is smaller than the product specification;2. Please paste a single double-sided film on the back of the heat sink;3. Remove the film on the bottom of the product and stick it on the chip/video memory/memory particles. The heat sink is made of metal. Please do not touch the surrounding ICs (integrated circuits) during installation;4. After moving or vibrating the machine, please check whether the heat sink is completely attached to the chip/video memory/memory particles.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. Included: 8 X Heat Sink