Strong, powerful and multi-purpose, these magnets provide high energy allowing them to magnetize to U Brands magnetic glass boards. The magnets can also be used for school lockers, magnetic dry erase boards and other metal surfaces throughout the office, commercial space, warehouse, garage and home. Character Types: Magnetic Marking Tokens; Magnetic Pins/Tacks; Character Style: Circles; Character Mounting Type: High-Energy Magnets; Number of Pieces: 12.