Aluminum Heat Sinks Provide Long-Lasting Use, Which Helps To Dissipate Heat And Protect Solid State Relays. Made Of Durable Aluminum Material, Installable Heat Sink Design, Small Size, Easy To Install.In The Package,You Can Get 1 X Aluminum Heat Sink,2 X Mini Bag Of Thermal Grease,2X Screws. Solid State Relays Are Not Included Here.
