Heat sink be made of Aluminum, with feature of transmit heat fastly, plus low cost. Aluminum Heat Sink:1) Material: Al6063, AL6061, AL60052) Thickness: as request.3) Tolerence: 0.1mm4) Surface treatment: Available as customer's instrument.5) Feature: Discharge fast, Assembly easily, and low costVarious sizes and shapes available, Customers' drawing is welcome.If you don't find the exact items or ...