Welcome to the store! 1. Comes with a 3mm red copper base plate, sturdy and durable, with high quality. 2. Uses anti-oxidation technology processing of the copper base plate, good performance. 3. Large contact area with the water, which can quickly absorb more heat from the GPU. 4. Comes with mounting screw package for easy installation, convenient and reliable. 5. Uses high-specification craftsmanship, stable performance, long service life. Item Type: Water Block Model: VGA-HSD Material: Red copper base plate + POM heat-resistant rubber cover + stainless steel buckle Base plate thickness: 3mm±0.05mm / 0.12±0.002in Cutting depth: Approx. 2.6mm / 0.1in Base plate size: Approx. 40 x 40mm / 1.6 x 1.6in±2% Supported hole spacing: 43-53 1 x Water Block 1 x Screw Package We strive to achieve your 100% satisfaction and provide you with only a good shopping experience. If you have any questions after receiving the goods (different product quantities, damaged packages, etc.), please contact us in time! We will provide you with the best solution.