1A great cooling kit with large water contact area for heat reducing, keeps your computer GPU running well. 2High purity red copper at the bottom, effectively prevent from oxidation. 3Precise hole position fits well with GPU, and effectively improve the efficiency of heat transferring. 4Equipped with two-touch fitting and screws, easy to install. 5Suitable for 8-10 mm diameter of tube.Features:A great cooling kit with large watercontact area for heat reducing, keeps your computer GPU running well. High purity red copper at the bottom, effectivelyprevent from oxidation. Precise hole position fits well with GPU,and effectively improve the efficiency of heat transferring. Equipped with two-touchfitting and screws, easy to install. Suitable for 8-10 mm diameter of tube.Specifications:Color: Black Base + Transparent Cover CaseMaterial: Acrylic + Red Copper + StainlesssteelCopper Base Thickness: Approx. 3mmBackboard Size: Approx. 40 * 40mmApplicable Tube: 8 - 10mmCompatibility: for GPU with hole distanceof 43 * 43mm, 48 * 48mm, 53 * 53mm, 62 * 62mm Package Weight: 190gPackage List:1 * GPU Water Cooling Block4 * Screws2 * Two-Touch Fitting