Description Product Name: SSR heat sink, Material: Aluminum, Color: Black Suitable for single-phase solid state relays-10A, 25A, 40A, with powerful heat dissipation function [Product Size] 80mmx 50mmx 50mm/(LxWxH) In order to work better, we need to apply thermal grease between the solid state relay and the heat sink SSR heat sink helps dissipate heat and protect your relays Amazon Prices 25.86 25.86 13.04 12.82 26.41 13.06 13.35 28.31 16.3 12.01 30.7 17.93 12.77 38.17 5 38.17 26.09 12.08 Consult Consult Share Product Image Categories Business, Industry & Science > Industrial & Scientific > Industrial Electrical > Thermal Management Products > Computer Heatsinks Brand: FONGKNOX Model: fx-heat sink-10-40A