100mm O.D x 50mm I.D x 12mm thick Y30BH Ferrite Ring Magnet - 9kg Pull
All Sizes & Quantity of Ring / Cylinder Magnets Very Strong / Powerful Magnet | eBay
190mm O.D x 85mm I.D x 23mm thick Y30BH Ferrite Ring Magnet - -kg Pull
Neodymium ring magnet 14 x 8 x 2 mm (Neodymium Magnets)
Ring Magnet Ø 140 x 63 x 17 mm Ceramic Ferrite Y30 - holds 19kg - Magnetic Rings | Magnosphere Shop
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