【POWERFUL】Grade 12 ferrite ring magnet, the strongest ceramic magnets available, high-quality formula and better chamfering process.
【DURABLE】Burnur Magnets Top Quality Ceramic Magnets (Hard Ferrite Magnets). They will not rust in any environment. Suitable for fresh water or salt water. Magnetism will always continue normal use.
【ECONOMICAL】This ceramic ring magnets is an economical choice for magnets. Only a small part of the cost of a rare earth magnet of similar size. Pull Force: 36 lbs, Great performance, Wholesale Price.
【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.
【SIZE】90 mm OD x 60 mm ID x 13 mm thick, magnetized through thickness, poles on the flat surfaces.