STURDY CONSTRUCTION: Crafted from high-quality, durable materials, these fan grills are built to last. The black finish adds a sleek look to your case while ensuring long-term reliability. PREVENTIVE: Ventilation grilles provide protection against rapidly rotating fan blades and prevent damage to the cable Simple Installation: just put the screws in the holes of the fan guard to connect with our chassis and the installation will be done, no additional tools are required, saving time and effort, simple and convenient Size (Approx.) : 120mm x 120mm / 4.7'' x 4.7" (L*W)