Rare Earth Mighty Mag Series Switch Sets - N20RS Series - 10 PackThese products are all Made to Order Which means they are non cancelable and non refundable Description Rare Earth Mighty Mag Series Switch Sets N20RS Series 10 Pack Mighty Mag contacts will assist in resolving the installers 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 about damage to the window itself. Mighty Magnets make use of a rare earth alloy