Specification Binding : Misc. Brand : Walfront Label : walfront Manufacturer : walfront Model : NA PackageDimensions_Weight : 1.45064168396 PackageDimensions : L:12.599999987148 X W:6.399999993472 X H:2.099999997858 PartNumber : 43272-950 ProductGroup : Personal Computer ProductTypeName : TOOLS Publisher : walfront SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/31bv4EWjrCL._SL75_.jpg SmallImage_Width : 75 Studio : walfront Title : Aluminum Heat Sink Heatsink Module Cooler Fin for High Power Amplifier Transistor Semiconductor Devices with Dense 19 pcs Fins 11.8"(L) x 5.51"(W) x 0.79"(H) / 300 mm (L) x 140 mm (W) x 20 mm (H) Weight : 1.5 WeightUnit : pounds