... 2.Material:AL6063/6061 3.ISO,RoHS approval Used for the lamp of aluminum heatsinkColor Silver ,black ,golden and so on ... copper stack fin, electronic heatsink and diverse needs of the heat card. More than 5000 types of cooler molds, we can basically meet ... reduce costs for customers, but also reduce valuable time for the customer ).Website: www.avcooling.com Used for the lamp of aluminum heatsink