Made of high-quality metal materials, fine workmanship, black painted surface, beautiful, rust-resistant, corrosion-resistant, and durable. The design is simple, easy to operate, with matching fixed screw fasteners, easy to install. Suitable for 12cm and 14cm fans, and has good compatibility with most graphics cards. Practical fan accessories for DIY computer projects. Effectively improve the heat dissipation effect of the system, reduce the noise of the PC case, and obtain more powerful performance. Comes with 1 PCI slot bracket and 2 fan connectors for installing dual PC cooling fans in a PCI slot bracket.