Product Description Aluminum IC heatsink for power transistor, FET, IC, power amplifier, Voltage Regulator, MOSFET, SCR, Router, Computer Component etcUse heatsink adhesive glue to install heatsink on the IC. Glue is not included here. Size is 22x22x5mm, Please check your component dimension carefully, and make sure size of the heatsink fits it no problem.