ITEM NAME:5pcs Computer Cooler Radiator Aluminum Heat sink for Electronic Chip 25*25*1 Gn Features: 100% brand new Made of aluminum alloy, not easy to rust. Sturdy and durable. Aluminum heatsink block DIY cooler plays a cooling effect. Suitable situation: Computer motherboard chip, memory chip and card small chip, all kinds of computer electronic chip auxiliary heat. Specifications: Material: Aluminum alloy Color: Black Processing method: Extruded Finishing: Black anodized Exteral Size: 25x25x10mm Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement..Aluminum heatsink block DIY cooler plays a cooling effect. Material: Aluminum alloy. Color: Black. Due to the difference between different monitors, the picture may not reflect the actual color of the item.