Features: Elevates heat dissipation For OPI5 performances for superior heat dissipation efficiency. Aluminum heatsink:highly quality component, effectively dissipate heat and improve the performances of the equipment. Efficient heat dissipation quickly take away the heat and keep the equipment running stably. Selected aluminum material, corrosion resistance, oxidation resistance, no deformation in long-term use. Smooth surfaces treatments, easy installation, no additional tools. Specifications: Component： Aluminum For OPI5 Size：as Picture 2.2x2.2cm/0.87x0.87in 1.4x1.4cm/0.55x0.55in 0.7x0.7cm/0.28x0.28in Quantity: 1 Set Package Includes: 1Set Heatsinks note: Due to the problemsof lighting effectsand shootingangles, there mightbe certain tolerances in product, please understand. Please allow 0-1cm error due to the measurment.