Legamaster Self Adhesive Magnetic Tape 12.5mm x 3m

Amazon

Magnetic to all steel-based surfaces Turn everyday objects into magnets simply by attaching a strip of this tape Self-Adhesive on one side Permanent magnetic on the other side Magnetic strength approximately 70g/cm². 1.5mm thickness

Office Machines

Magnetic tape that is self-adhesive on one side and magnetic on the other side, designed for use on whiteboards and other magnetic surfaces. Magnetic strength is approximately 70 g/cm².Thickness: 1.5 mm1 roll per pack

Euroffice

Ideal for attaching accessories to your whiteboard. Simply attach a strip of tape to any small object and use it like a magnet. Just cut the desired length from the roll with a pair of scissors.