Neodymium Disc Magnet 15 x 1 mm N35
 
An NdFeB (neodymium) magnet provides high magnetic attraction for its size, making it useful for technical projects, DIY and quick attachments. It is noticeably stronger than conventional ferrite magnets and generally has a protective coating because the material is prone to corrosion. N35 indicates the magnetic grade; a higher number generally means a stronger magnet, with grades commonly ranging from N35 to N52.
 
At Ø15 × 1 mm, this magnet provides a good hold on metal and is useful at home, in workshops and for a variety of projects. For good results, use a clean metal surface that is as thick as possible. Any gap caused by thick paint or an uneven surface reduces holding force.
 
Warning: keep out of reach of children. Magnets can snap together suddenly, pinch skin and chip or break on impact. Handle them carefully when bringing them together or separating them. Keep them away from bank cards, hard drives, sensitive electronics and medical devices.