The Heatsink have a layer of adhesive on the back of them.
Simply peel the adhesive off and stick onto your board
This heatsink set is specially designed for Raspberry Pi, it's function is to cool down the board and make your Raspberry operate safely
Reduce the risk of hardware failure because of overheating
Package included: 5 set of aluminum heatsink (3pcs)

Technical Details

Product Details

Package Dimensions
Width : 5 inch
Height : 3 inch
Length : 10 inch

Shipping Weight: 0.48 ounce (View shipping rates and policies)

ASIN : B01EE4W730