Neodymium disc with adhesive on one side. 3M glue, very strong. Ideal for places where drilling a hole to place a magnet is not allowed.

Important information:

• Keep strong Neodymium magnets away from credit cards, ATMs, phone cards, hard drives, pacemakers, electronic devices, and children.
• Large magnets have incredible strength and can cause damage or injuries.
• Use work gloves when handling is recommended.