Features: 1.Good Heat Dissipation: Copper radiators have 8 flat heat pipes with excellent heat dissipation performance. 2.Good Cooling Performance: The 45mm thick radiators provide the ultimate cooling performance through a high airflow fan. 3.Low Noise: The copper heat exchanger has a low sound when used and does not interfere with work. It is optimized for silent fans. 4.Protection Design: The screw protection board can prevent the screw from being too long or over tightened, thereby damaging the radiators core. 5. High performance radiators with copper fins and brass cavity, thread G1/4in, easy to use. specification:Item Type: Copper Radiators Product Material: Water Chamber, Flat Tube, Brass, Fin, Copper Product Model: TSRP-H240 Length: Approx. 270mm / 10.6in Width: Approx. 82mm / 3.2in Thickness: Approx. 45mm / 1.8in Thread: G1/4in Number of Pipes: 8 Suitable Fan Size: Approx. 8cm / 3.1in PackageList:1 x CopperRadiators 12 x Long Screw 12 x Short Screw