Strong Ndfeb cup magnet with countersunk hole Pot magnets, also callled cup magnet, are ideally suited to lock directly, with full contact, to flat steel for a very strong adhesion that is removable and re-useable. Pot Magnets have hold values starting at 2kg through to 170kg. There uses are unlimited, for holding many things: eg. Wiring to steel beams, portable lead lamps, banners, flags, rubbish bags, building paper to steel beams, lifting, locating, locking, signs, eddy current braking, removable clearance lights on vehicles and untold other uses. More Ndfeb Cup Magnet Details: