Donut Neodymium Magnets Circle Ring Shape ~18.5mm(OD) x ~9mm(ID) X ~4mm(thickness)

• Dimensions: ~18.5mm X 9mm X ~1.5mm
• Shape: Ring Shape
• Material: NdFeB 
• Grade: N35
• Plating/coating: Ni-Cu-Ni (Nickel) 
• Maximum Operating Temperature: 176ºF (80ºC)

These neodymium magnets are the most widely used rare-earth magnets made from an alloy of neodymium, iron, and boron. These are the strongest permanent magnets that are available on earth. These magnets are safe to use and are used in a variety of applications like arts & crafts, etc... 

Note:- Use of Different measuring devices and cameras can result in slight differences in terms of dimensions and colours of the above-listed product when compared to the actual product received by the customer.