Easily add magnets to aluminum surfaces with these 3.5" steel mounting disks, secured by strong 3M VHB adhesive. Perfect for crossbars, aluminum panels, or fiberglass body surfaces, these mounting disks provide a stable anchor for magnetic mounts, enhancing versatility and strength in your setup.
Incredible strong magnets! Actually it takes a bit of effort to take the unit off the magnets, making me feel good that the unit will never accidentally fall off !
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