Reference Title: Primary Aluminum Water Cooling Block 40 80 120 160mm for Liquid Water Cooler Heat Sink System Silver Use For PC LapCPUFeatures:brand new and high quality.Internal channel of extrusion flow forming.Brazing parts in a wholeProcessing: vacuum brazing aluminumTreatment surface: silver oxidationApplicable to computer CPU water, industrial driver inverter, laser for head cooling, industrial cooling control cabinet.Specifications:Item Type: Water Cooling BlockMaterial: Aluminum AlloyColor: BlueSize: 1#2#3#4#5# (Optional)1#: 404012mm1.571.570.47in2#: 404012mm1.571.570.47in (Upper water outlet)3#: 408012mm1.573.150.47in4#: 4012012mm1.574.720.47in5#: 4016012mm1.576.300.47in (approx.)Quantity: 1 PC (other accessories demo in the picture is not included)Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes: (No retail package)1 X Water Cooling CPU