Description If you are looking for a professional and affordable computer chassis back slot cover, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color:Black -Material:stainless steel-Size:13.50X2.00X1.50cm/ 5.31X0.79X0.59in- First insert the cover at the bottom of computer case slot, then fix with screws.- The hot air near the graphics card can be quickly dissipated by the opening of the PCI file, thereby improving the efficiency of heat dissipation.- Inclined hole structure, allowing hot air from getting out.- Cover up computer chassis, reduce dust and dirt from accumulating inside the chassis.- Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Packing list: 20 x PCI Slot Covers