Features: High strength metal case fan screws ensures secure, vibrations resistant installation, preventing loosening during prolonged PC operations for enhanced systems stability. from rusts resistant metal with anti corrosions treatments, these screws withstand frequent disassembly and humid environments while maintaining structural integrity. for computer builders and professional technicians requiring hardware for PC cooling systems upgrades or maintenance tasks. Perfect for gaming rigs, workstations, and server setups needing continuous thermal management in moisture prone or high vibrations environments. Universally for major case fan brands, these toolless installation screws simplify cooling systems customization while ensuring crosses platform adaptability. Specifications: Materials: Metal Size: 15mm/25mm (optional) Color: Black, Gold(optional) Package Includes: 1Set Fan Screws 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.