**This item cannot ship via USPS First Class Mail**
Round Hidden Magnetic Snap with metal shell. The metal shell creates a stronger attachment as it directs magnetic force in one direction. Also reduces breakage!
Comes as a set of two.
Diameter: 18mm (0.71 inch)
Strength: 6.6 lbs / 3.0 kg
- Unit of measurement of magnetic flux density
Magnet Type: Rare Earth Magnet (Neodymium)
Click here to learn more about what rare-earth magnets are.