ITEM NAME:10pcs Heat Sink Radiator Electronic Chipset Heat Dissipation Screws Kits A#S Product Description Description: 100% Brand New and High Quality Model:TO-220 Quantity: 10 SETS Size:15*20mm Included: 10 x TO-220 Heatsink Heat Sink 15*20 With Screw.Included: 10 x TO-220 Heatsink Heat Sink 15 20 With Screw. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Warranty Service.