Features: The heatsink assortment kit can be given as a thoughtful gift to people who need to cool their electronic components, such as coworkers, classmates, teachers, parents, siblings and so on. The small heatsink set for cooling will be an ideal accessory for daily work, giving you a nice cooling effect. Specifications: Material: aluminum heatsink and copper heatsinkColor: as shown in the picturesPackage includes: 200 x Small heatsinksNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small items, adult's supervision is needed when it is played by kids.The mention of brand names and any related models above is only for purposes of demonstrating compatibility. Our trademark is Sumind.