CHANCS Round Heatsink 120mm(4-23/32″) OD 45mm(1-25/22″)ID Cooling Fin 40W-80W for LED Cooling

1.High Quality Aluminum Alloy: Made of premiumaluminum for excellent thermal conductivity, ensuring fast and efficient heat dissipation to extend your LED??s lifespan. 2.Sunflower Fin Design for Cooling: The dense sunflower style fins increase heat dissipation area, keeping your LED lights, COB chips, or grow lights running cool. 3.Standard Size for Easy Installation: 120mm outer diameter 45mm inner bore with 10mm/0.39″ 20mm/0.79″ 30mm/1.18″high fits most common LED bases, making it easy to mount for DIY lighting projects or replacements. 4.Lightweight & Durable Build: Sturdy yet lightweight aluminum construction won??t add extra load to your fixtures, while resisting corrosion and deformation for long-term use. 5.Wide Compatibility for Multiple Uses: Ideal for various applications, including LED bulbs, downlights, strip lights, grow lights, and high-power COB chips, perfect for home, office, and DIY use.