Features: Aluminum material with 3M Thermal Tape. Anodized finish. Black,gold,silver 3 color optional. Exteral Size about 50x50x15mm/1.97x1.97x0.59in. Used for IC, Diodes, Dynatron, electronics, LED, RAM-, CHIP computer component heat dissipation, or wherever a small efficient heat sink is needed. Package Includes: 4Pcs x Aluminum Heatsink Specifications: Material: Aluminum Finish: anodized Package: 4pcs Color:black,gold,silver (optional) Exteral Size: approx.50x50x15mm/1.97x1.97x0.59in Used for IC, Diodes, Dynatron, electronics, LED, RAM-, CHIP computer component heat dissipation, or wherever a small efficient heat sink is needed. note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-24525 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it