Raspberry Pi 4 Aluminum Heatsink Kit 3PCS Black

From the shop's description

The set consists of 3 pieces of Black heatsinks, in sizes 14 x 14 mm , 14 x 10 mm, 9 x 9 mm . On the back of each one there is double sided, thermally conductive tape . Heat sinks are designed to cool Raspberry Pi 4 minicomputer. Heat sinks are mounting elements used to cool the chips. The surface on the outside is covered with fins. Heatsink set specifications Colour: Black Mounting: double-sided thermal conductive tape Dimensions: 1. heatsink: 14 x 14 x 5 mm 2. heatsink: 14 x 10 x 5 mm 3. heatsink: 9 x 9 x 5 mm Attention! During the assembly care should be taken not to make a short circuit between other electronic components located nearby.