brand new and high quality Features: When ITX chassis and laptop are refitted with water cooling, and the installation limit of radiator in the chassis is reached, the water cooling external dock is used. The interior of the dock is designed with space for line arrangement,which can hide the power supply lines of fans and pumps. The installation position of the water pump and reservoir bracket is reserved in the dock. The design of the slideway can be matched with a fixed connection and fine adjustment of the threading for seat. EXWCD-240 can install double 240 radiator, and EXWCD-360 can install double 360 radiator. Specifications: Optional Model: EXWCD-240 / EXWCD-360 Material: Metal EXWCD-240 Size: approx.167x146x323mm/6.57x5.75x12.72in EXWCD-360 Size: approx.169x142x459mm/6.65x5.59x18.07in Color: Black Quantity: 1 Set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x External Water Cooling Dock Bracket 4 x Screws (water for tank radiators and other accessories demo in the picture is not included.)