ITEM NAME:1x Heatsink Kit Aluminum LED SMD 50mm*50mm*100mm Cooling Cooler for Transistor Description: Scope of application: For LED and Fan Heat Sinks, High Power Semiconductor Heat Sinks Machining into slotted fine teeth to enhance heat dissipation Material: Aluminum size: 50*50*100mm Package Includes: 1x Heatsink SKU: ALU0023305363014782.Size: 50 50 100mm. 1x Heatsink. Material: Aluminum.