[PARAMETER] Body Size: 40x40x12mm/1.57x1.57x0.47inch;Nozzle Length: 15mm/0.59inch. [MATERIAL] The material of the water cooling block is aluminum, which is lightweight, good heat dissipation and durability. [FIT FOR] The nozzles are designed for tight attachment, they can be connected to a water pipe with an inner diameter of 7-8mm. [SHAPE] The surface of the water cooling block is polished, with good appearance. [APPLICATION] This water cooling block is suitable for various of CPU and electrical parts, such as the computer CPU, the games CPU, the board, and the semiconductor, etc.