Plastic Coated Ring Magnets 1" od x 5/16" id x 1/4" thick

Neodymium ring magnets can be offered with plastic coating,which make them water-proof and scratch-resistant.Unlike normal rubber, plastic coating can have tiny pin-holes.Plastic coated ring neodymium magnets can be used underwater,they are ideal choice if you need a real waterproof ring magnets. The overall size of the plastic coated ring neodymium magnet is OD25.4mm x id8mm x 6.35mm,magnetic pulling force of the grade N52 is about 11 lbs,they are easier to separate. Plastic coated ring magnets with other dimensions can be customized!