ITEM NAME:Copper Water Cooling Block, CPU Graphics Card Cooler Heat Sink 40 x 40mm Description: -Dimensions: 52x40x10mm/2.04x1.57x0.39inch -Leak ratio is less than 5*10^(-6) mbar.l/s. -Using excellent copper materials, soldered and brazed as a whole part. -The external diameter of the connector is 9.5 mm. Can be used to connect soft tubes with 7 mm-8 mm inner diameter. -Suitable for computer CPU water cooling, industrial variable frequency drivers, head cooling, industrial control cabinet cooling and so on. Package Includes: 1 Piece Copper Cooling Block Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. SKU: ALU0017957763018408.1 Piece Copper Cooling Block. -Using excellent copper materials, soldered and brazed as a whole part. Color may be slightly different since different monitor. -Leak ratio is less than 5 10^(-6) mbar.l/s.