This product measures 2.5" in diameter and 1" in thickness and features a 0.5" hole through the thickness of the magnet. It is made of a grade N45 neodymium, iron, and boron magnetic alloy blend. This magnetic blend is patent licensed and made under the ISO 9001 quality control systems. They are plated in a nickel-copper-nickel coating for a shiny corrosion resistant finish. Neodymium ring magnets are perfect for use as magnetic fasteners around the home or for use in commercial applications.
- Material: Sintered NdFeB. Grade N45
- Remanence (Br) : 13,500 Gauss or 1.35 Tesla
- Pulling Force: 228 Lbs.
- Pole Orientation: Axially magnetized, the N and S poles are on the flat surfaces
- Coating: Ni+Cu+Ni 3 layer plated, the best coating available
- Tolerance: All +/-0.002" with coating
- All magnets may chip and shatter, but if used correctly this ring magnet can last a lifetime
- Keep away from pacemakers and children
- If damaged please dispose of completely