Features: This 12cm PC dust guard effectively blocks dust from entering your computer case, safeguarding your graphics card and internal hardware with its precise metal design. from metal, this PCIs slot cover features corrosions resistance, enhanced wearability, and includes screws for effortless installation. for enthusiasts, gamers, and beginners who frequently upgrade or maintain their systems for optimal protections. for high performances setups in dusty environments, it improves airflows and stability during intensive gaming or professional tasks. Offering universals compatibility and optimized ventilation holes, this computer dust blockers ensures seamless and superior cooling for various PC cases. Specifications: Materials: Metal Size: 12x1.8cm Styles: White Punching Hole, Black Punching Hole, White Diagonal Hole, Black Diagonal Hole, Plated Silver Without Hole, Black Without Hole and Silver Without Hole(optional) Package Includes: 5Pcs PCIs Slot Cover note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item. Note: Please allow 1-3 mm error/1-3g weight error and actual product color may vary due to lighting conditions.