ITEM NAME:Premium Copper Water Cooler Blocks for CPU Graphics Radiator Heatsinks 40 x 40mm Description: -Dimensions: 40x40x25mm/1.57x1.57x0.98inch -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: ALU0018793363018409.1 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.