CHANCS Sunflower Heatsink 110mm(4-21/64″) OD 50mm(1-61/64″) ID Round Radiator40W-80W for for High Power Light

1.High Quality Aluminum Construction: Made of premium aluminum alloy, this heatsink offers excellent thermal conductivity and corrosion resistance, ensuring fast and efficient heat dissipation for your high-power LED devices. 2.Sunflower Fins Design for Maximum Cooling: Features 110mm/4.33″ outer diameter with 50mm/1.97″ inner bore and dense sunflower-style fins, greatly increasing the contact area with air to enhance passive cooling efficiency. 3.Precision Dimensions: Available in 20mm/0.79″ 30mm/1.18″ 40mm/1.57″ 50mm/1.97″ length, the heatsink fits perfectly with common LED lamp. Lightweight yet sturdy, it??s easy to install without additional tools. 4.Reliable Performance: Smooth, oxidation-resistant surface for long-lasting use. This cooling radiator prevents overheating, maintaining stable working conditions for your LED devices. 5.Wide Application Compatibility: Ideal for cooling high power COB LEDs, stage lights, spotlights, power supplies, audio amplifiers, and other electronic components that require effective heat management.Custom length cutting is available; contact us for sizes beyond standard options.