ITEM NAME:90mm x 90mm x 5mm Aluminum Radiator Heatsink for IC LED Electronic Chipset Heat 100% brand new and high quality Widely use for computer PC chipset, power IC, power electric device, LED light devices, etc.Use heatsink adhesive glue to install heatsink .(Glue is not included)Please check the specification table and make sure that the size of the heatsink fits that of your component. Product Name : Heatsink; Material : Aluminium Color : Silver Tone Overall Size : 90 x 90x 15mm/ 3.54" x 3.54" x 0.59" (L*W*H) Bottom plate thickness: 3.4mm Tooth thickness: 0.7mm Teeth spacing: 2mm Number of teeth: 34 pieces Quantity:1Pc Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 1Pc x Heatsink.1Pc x Heatsink. Material : Aluminium. Overall Size : 90 x 90x 15mm/ 3.54" x 3.54" x 0.59" (L W H). Bottom plate thickness: 3.4mm. Color : Silver Tone. And due to the difference between different monitors, the picture may not reflect the actual color of the item.