40x40x11mm Extrusion Aluminum Radiator Fins Heatsink — FOR 50 Pieces/lot CPU Cooler

Pack of 50 extruded aluminum heatsink fins sized 40x40x11mm, made for use as CPU cooler radiator fins. These 40x40x11mm extrusion pieces offer a compact aluminum profile to assist heat dissipation in electronic and cooling assemblies. Lightweight and durable, the fins are suitable for custom cooling projects, replacements, or integration into fan and radiator setups where small-format heatsinks are required.