Description: - Internal flow channel diameter 6mm round hole channel - Part brazing integration - Part leakage rate is less than 5×10-6 .l/s - Surface copper color polishing treatment to improve heat transfer efficiency - Copper water cold head faucet is 8.5mm wide and 7mm inner diameter pipe - Suitable for semiconductor cooling film water cooling, computer CPU graphics card North and South cooling, industrial cooling, etc. Specification: - Material: copper - Size: 40×40×10mm Package Includes: 1 Piece copper Cooling Block