High strength,non-deformation, black surface, durable to useVented hollow out design, fast heat dissipation, provides efficient dust reduction properties and protects your computer from overheatingCover up open PCI slots with these standard case vented slot covers, improve heat dissipation efficiencyFull profile, standard height design, can fit in most full profile computer cases. Come with mounting screws, easy to installProduct Name: PCI Slot CoverScope of application: chassis PCI bitType: PCI backplaneProduct features: ventilation and dustproofcolour:BlackMaterial:metalsize:Baffle:121 x 19 x 0.5mm,Package Contents:20 x PCI slot cover(For different production batches, the appearance of the product may be different, which will not affect)20 x screws Only the above package content, other products are not included.Note: Light 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.