10PC Neodymium Countersunk Disc Magnet 20 x 3/5mm x (5mm Hole) Strong Disc Screw
Each magnet has a countersunk hole on one side. Neodymium magnets are the most powerful magnets available. Also known as rare earth or NdFeB magnets. 20X Right Angle Corner Bracket 2028 for 2020 Aluminium Extrusion Profile.