Mighty Mags assist in resolving the installer's problem of drilling into the new thinner, vinyl windows. These rare earth magnets are less than 1/8" high and install fast and easily without worry over damage to the window itself. GRI Mighty Magnets make use of a rare earth alloy which allows the size of the magnet to be significantly reduced while still retaining or improving the gap involved. These rare earth magnets can be mounted with the mounting screws and or double stick tape included in the bag or may be glued into the window.