and high quality. 2 holes on the side of the cover, the water flows from the side. 0.4 mm copper columns on the copper base. The water contact area becomes large, so the block can carry more heat from GPU quickly. The flatness is less than 0.01 mm. The base can fit the GPU better, so that it can absorb more heat. The copper base is processed with anti-oxidization technology. Compatible for GPU with fan hole distance of 53 mm- 61 mm. For card- 6800GT, 6600GT, 7800GT, 7800GTX, 7900GT, 7950GT, 7900GTO, 7900GTX, 8600GTS, 9600GT,etc. For card- X1900PRO, X1900XT, HD7950, HD7970, etc. Specifications: Item Type: Double Channel Copper Cooler Color: As Shown Material: Copper+Acrylic Package Contents: 1 X Water Cooling Block 2 X Compression Fittings 4 X Mounting Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.