Diametrically Magnetized 3/4 in OD x 1/4 in ID x 3/4 in Ring
Multi Poles Radial Diametrically Magnetized Bonded Rare Earth NdFeb Ring Magnets | eBay
NdFeB N48 Diametrically Magnetized Ring 1/2 in OD x 1/4 in ID x 1/4 in - Applied Magnets - Magnet4less
Ring Magnets For Sale - ALB Materials Inc
100pcs Diametrically Magnetized Disc Dia. 6mm X 2mm Neodymium Magnets 6*2 Tinny Small Round Micro Precision Mini Sensor 6x2 Mm - Magnetic Materials - AliExpress