Fits for holding magnets and magnetsystem that is outer dia Ø40mm.
The rubber cover both protects the surface that the magnet is attached to, as well as it prevents the magnet from slipping. The shear force is thus improved. Note that the main strength decreases slighty as the magnet gets some distance from the surface.
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You have added Rubber cover for Ø40mm magnet system to your quotation request.