Fitbit Ionic 500mAH Large Capacity Portable Power Bank Fitian Replacement Portable Power Bank 500mAH Ultra High Capacity Power Battery Bank for Fitbit Ionic Smart Fitness Watch (Pink);

Neodymium Magnet is much stronger than other type of magnets. It is able to hold hundred time of their weights.

Best coating Nikel-Copper-Nikel triple layers for shining look and corrosion resistance, scratching resistance.

Best Organizer / Holder for Home, Office, Garage, Warehouse; It is must-have item used in variety of application ranging from as a refrigerator magnet

to as a tool for Craft, Hobbies, Science Project, DIY project, Invention, Magnetic Therapy, Magnetic Separator, Metal Detector, Jewelry Making, Audio Equipment, Artwork, etc...

Its nature is brittle, so draw them gently. Hard collision may cause splintered

Keep away from pacemakers ,children and internal medical device
Seek immediate medical attention if the magnets are swallowed.

All magnets are fragile and may chip or shatter but if using properly, it can serve you for a lifetime.

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Magnet size 3'' x 1/2'' x 1/8'', grade N42, 3 pcs, $13.67 (find B01JG7IHGQ)
Magnet size 3'' x 1/2'' x 1/4'', grade N45, 2 pcs, $9.99 (B01MZXGIF9).