Features:Pure aluminum heat sink, which is suitable for electronic, computer, electrical facilities, play a cooling effect).High quality aluminum, light weight and high thermal efficiency.A whole molding, beautiful appearance, novel and lightweight.Specification:Material: AluminiumColor: SilverSize: 40 x 40 x 20mmPlate thickness: 20mmTooth slice thickness:1mmTooth spacing: 2.5mmTooth piece quantity: 11Package includes:1 x Aluminum heat sink moduleNote:1. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.2. Please allow little differs due to manual measurement.