... 2.28leds,aluminum base PCB 3.with good thermal conductivity led pcb 4.Size:132X75mm, thickness 2.0mm Packaging & Delivery ... oilsize(mm)/:132x75mmThickness (mm)2mmBase MaterialAluminum AlloyCopper Thickness:1ozWidely Application:LED lighting, street lighting, lawn lamp, fluorescent lamp, miner's ... customers Gerber files; Others with our confirmations. 28W SINGLE SIDE ALUMINUM PCB FOR LED STREET LIGHT