Our industrial grade Alnico (Aluminum/Nickel/Cobalt) Magnets are built for heavy duty use and will not naturally demagnetize over time like other magnets. They are handy in a plethora of applications and work settings. Button Type Alnico Magnets feature a center channel to separate the magnet s poles creating a radial and expanded magnetic field.Features Button shaped magnet has almost unlimitedapplications. Retrieves screws and steel parts. Center hole on top of magnet for easy fastening. Quantity -6 Each per Boxs. - SKU: ORSNO79865