Quick view sku: 3.945 3.945" Wide Extruded Aluminum Heatsink Extruded Aluminum HeatsinkAlloy: 6063-T6Width: 3.945"Fin Height: 2.5"Base: .375"C/W/3": approximately 1.40Weight per Inch: .40 lb All of our heatsink extrusions are sold by the inch. To order a more specific length, for... MSRP: Was: Now: $4.71 - $353.25 Choose Options Compare