Product Description Aluminum IC heatsink for Router, power transistor, FET, IC, power amplifier, Voltage Regulator, MOSFET, SCR, etc. Use heatsink adhesive glue to install heatsink on the IC. Glue is not included here. Size is 20mm x 14mm x 6mm, Please check your componet careful, and make sure the size of the heatsink fits it no problem