A rubber cover protects the magnet and mounting surface.

A rubber cover protects the mounting surface as well as the magnet.

A metal case protects the magnetic material.

Press these magnets into a drilled hole so they are flush against the surface.

Turn these magnets on and they won’t budge from metal surfaces; turn them off to reposition or move them out of the way. They have a flange with screw holes on either side, so you can mount them to fixtures, jigs, and other assemblies.