Features Superior Oxidation Treatment: Crafted from high-quality aluminum with advanced oxidation treatment, ensuring exceptional wear resistance and durability for long-lasting performance Precise Dimensions and Craftsmanship: Designed with accurate dimensions and excellent workmanship, this heatsink module guarantees a perfect fit and reliable operation Enhanced Cooling Efficiency: Engineered to maximize airflow and surface area, providing superior heat transfer to keep your components cool under high loads Versatile Application: Ideal for use in CPU power amplifiers, PCB boards, and a variety of electronics including computers, power transistors, and voltage regulators Compact Yet Powerful Size: Measuring 120x120x20mm, this aluminum cooling radiator is compatible with many hosts and DIY motherboards, making it a practical choice for various projects Features: 1、 OXIDATION TREATMENT: Good quality aluminum material after oxidation treatment, wear resistant and 2、ACCURATE SIZE WITH EXCELLENT WORKMANSHIP: Aluminum heatsink cooler have accurate size with excellent workmanship, for a long service life 3、MAXIMIZE AREA WITH COOLING AIR: Designed to maximize the area with cooling air to provide greater heat transfer 4、WIDELY USED: Suitable for CPU power amplifier PCB board, used as high power cooling block radiator, widely used in computers, power transistors, FETs, ICs, power amplifiers, voltage regulators, MOSFETs, SCRs, etc. 5、120X120X20MM OVERALL SIZE: The overall size of the heat sink is 120x120x20mm, suitable for many kinds of hosts, DIY motherboards, very practical Specification: Item Type: Aluminum Heatsink Cooler Material: Aluminum Treatment: anodic oxidation Overall Size: Approx. 120 x 120 x 20mm / 4.72 x 4.72 x 0.79in Purpose: Suitable for CPU power amplifier PCB board, used as a high power cooling block radiator Package List: 1 x Aluminum Heatsink Cooler Note: Please match the appropriate size before use. Package List 1 x Aluminum Heatsink Cooler