Countersunk Ring Round Disc Strong N35 Magnets Rare Earth Neodymium 25*3mm + 5mm
360 PCS N35 Magnets. Countersunk Hole Size: 5mm. Made of neodymium iron boron material, these magnets are plated in nickel-copper-nickel for a smooth, shiny and corrosion resistant surface. Material: Neodymium Iron Boron.