3 PACK of Milwaukee M12 tool holder/hanger with 45lb neodymium magnet base that is strong enough to secure to support your tools but can still be removed by hand without damaging the mounting surface. It is a simple design that can be used to organizer or store your Milwaukee M12 tools on a mobile cart, toolbox or shelf. It is 3D printed from black PETG Plastic which is an upgrade in chemical/thermal resistance from standard PLA 3D printed holders/hangers.