Semiconductor Cooling Fin Radiator $ 5.82 Product Details Material: Copper Speed: 10 Cooling method: water cooling Size; 10 (cm) Color: 4040mm (polished on both sides), 4080mm (polished on both sides), 40120mm (polished on both sides), 40160mm (polished on both sides), silver 40180mm (polished on both sides, 40200mm (polished on both sides), 40*240mm (both sides polished) Packing list Water cooling plate x1