COKOLATIA Ferrite Ring Magnet - OD5.5" x ID2.75" x 20mm Ceramic Magnet, Grade 8 Large Heavy Duty Magnet with Hole

【LARGEST】This Strong Round Ceramic magnets with Hole is the largest size in Amazon.
【POWERFUL】Grade 8 large ferrite magnets with hole, high-quality formula and better chamfering process
【ECONOMICAL】This ceramic ring magnets with hole is an economical choice for magnets. Only a small part of the cost of a rare earth magnet of similar size.
【DURABLE】Large ring magnets heavy duty will not rust in any environment. Suitable for fresh water or salt water. Magnetism will always continue normal use.
【APPLICATION SCOPE】Science education in schools, children's science projects, namely suspended trains, hand-made at home, light work in the backyard or garage, etc.
【BUY WITH COMPLETE CONFIDENCE】If you are not satisfied with the big ferrite ring magnets for any reason, we will provide a 30-day no-guaranteed money-back guarantee.

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