The RAM® Tough-Mag™ 48mm Replacement Magnets for 4-Point Mounting Base (RAP-MAG48U) features everything needed to replace a magnet on the RAM® Tough-Mag™ 48mm 4-point magnetic mounting base. These high-strength magnets are rubber-coated to protect surfaces from scratches and reduce the force of direct magnetic impact. This magnet includes an easy-grip removal handle to safely break the magnetic connection during installation or removal. Ideal for mounting on windows of heavy duty machinery, these magnets are strong enough to secure to glass up to 6mm thick.