Neodymium Ring Magnet OD25mm x H5mm | Hole 10mm N40 D_11mm-20mm it produces concentrated magnetic force

it produces concentrated magnetic force across the flat circular face for strong and dependable holding performance

Magnetic Product Description:

These kits come with pre-measured packets of ferrofluid which are used to replace the old fluid in speaker air gaps when replacing diaphragm and coil assemblies

Coating: Nickel(Ni)

Neodymium Ring Magnet OD25mm x H5mm | Hole 10mm N40 D_11mm-20mm it produces concentrated magnetic forceNeodymium Ring Magnets This rare earth ring has an outer diameter of 25mm, an inner diameter of 10mm and a height of 5mm. It has a grade of N40 and a pull force of 8. 91kg when measured against up to 10mm of mild steel. This permanent magnet weighs 10 grams and has a maximum operating temperature of 80 degrees Celsius. Its nickel coating gives it a contemporary appearance. This donut shaped rare earth magnet is popular with commercial and domestic