Features: A great cooling kit with large water contact area for heat reducing, keeps your computer GPU running well. High purity red copper at the bottom, effectively prevent from oxidation. Precise hole position fits well with GPU, and effectively improve the efficiency of heat transferring. Equipped with two-touch fitting and screws, easy to install. Suitable for 8-10 mm diameter of tube. Specifications: Color: Black Base + Transparent Cover Case Material: Acrylic + Red Copper + Stainless steel Copper Base Thickness: Approx. 3mm Backboard Size: Approx. 40 * 40mm Applicable Tube: 8 - 10mm Compatibility: for GPU with hole distance of 43 * 43mm, 48 * 48mm, 53 * 53mm, 62 * 62mm Package Weight: 190g Package List: 1 * GPU Water Cooling Block 4 * Screws 2 * Two-Touch Fitting A great cooling kit with large water contact area for heat reducing, keeps your computer GPU running well. High purity red copper at the bottom, effectively prevent from oxidation. Precise hole position fits well with GPU, and effectively improve the efficiency of heat transferring. Equipped with two-touch fitting and screws, easy to install. Suitable for 8-10 mm diameter of tube.