ITEM NAME:Aluminum Heat Sink Heatsink For High Power LED Amplifier Transistor E3D5 Aluminum Heat Sink Heatsink For High Power LED Amplifier Transistor E3D5 Product Name: Aluminum Heat Sink Color:Silver Materials: Aluminum Size: 100mm(L)x41mm(W)x8mm(H) The quantity of blade: 26pcs Used for: Various mini DC converter circuit board, LED, Power IC, Transistor etc. Package Included: 1 x Aluminum Heat Sink Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.