Item Type: Aluminum Heatsink Cooler_x005F_x000D_ Material: Aluminum_x005F_x000D_ Surface Treatment: Anodic oxidation_x005F_x000D_ Overall Size: Approx. 120 x 40 x 20mm / 4.72 x 1.57 x 0.79in_x005F_x000D_ Uses: Used as a heat sink for PCB, ultrasonic, electronic chip, router, CPU, power board 1SURFACE OXIDATION TREATMENT: Good quality aluminum material with surfaceoxidation treatment, wear resistant and durable 2GOOD HEAT DISSIPATION EFFECT: Adopt slotted design, bring large air contact area and good heat dissipation effect 3FOR CPU AND PCB: Can be used as a heat sink for PCB, ultrasonic, electronic chip, router, CPU, power board 4120X40X20MM OVERALL SIZE: The overall size of the heat sink is 120x40x20mm, suitable for many kinds of hosts, DIY motherboards, very practical 5LONG SERVICE LIFE: Aluminum heatsink cooler come with stable structure, excellent performance and long service lifePlease match the appropriate size before use.2 x Aluminum Heatsink Cooler