Ring mechanism KEBA black 20mm 2 magnets

Ring mechanism with strong rubberised magnets. Ideal for hanging documents on a whiteboard or other metal surface where magnets can be attached. Ring mechanism black O-ring 20 mm with rubberised magnet. Does not scratch the surface. Suitable for warehouses, cleaning trolleys, conference rooms - Does not scratch the surface - 20mm rings - Colour: black - Strong magnets