The Prolimatech Magnetic Fan Pins make it super easy to install, adjust, and remove your system fans without having to mess with screws. This is a great idea and something that will really come in handy for cleaning fan filters and your fan blades on clear fans. Obviously these won`t work on plastic or aluminum cases, but for steel chassis they were found to work great. Just make sure that the fans that you plan on using these with do not have the plastic fan screw column. If you have a steel case and no plastic columns on your fans, then you should be good to go..."