Pot magnet with rubber sheath.
Particularly suitable for preventing damage and creating more friction against shearing on vertical surfaces, such as walls.
For retrieving tools, components and other iron objects that have fallen overboard.
Fitted with an eye to facilitate tying on a line.
Also used for fixing a level alarm/or level control between the frames of a ship.
If the eyebolt is unscrewed, it leaves an M4, M5 or M8 threaded hole into which anything can be screwed.