ITEM NAME:100x 9*5*9mm Microchip Aluminum Heatsink Cooling Fin Black For IC Transistor Description: Scope of application: Mainly used for semiconductor chip IC triode Machining into slotted fine teeth to enhance heat dissipation Processing method: broken groove + oxidation Material: Aluminum size: 9*5*9mm Package Includes: 100x heat sink 100x 3 M double-sided heat sink glue SKU: ALU0019110863014784.100x heat sink. 100x 3 M double-sided heat sink glue. size: 9 5 9mm. Material: Aluminum.