[Material] - The computer finger guard is made of pvc [Size] - Fit for fan size: 120mm x 120mm; Overall Size: 124mmx124mm(L*W); Mounting Hole Size: 105mm x 105mm(L*W) [Dustproof ] - Hollow mesh filter design can play a protective role without dust entering [Applications] - This cooling fan grill can be used in computers, power supplies, 3D printers, projectors and other equipment to ventilate heat, and avoid fingers and cables from being twisted into the fan [Stable and Durable] - 4 screw mounting holes, easy to install (Not included screws)