Features and Benefits:

• 10 piece Mini Magnetic Parts Tray Counter Display
• 4-1/4" Stainless Steel dish
• Perfect for holding small parts, hardware and fasteners in place
• Sticks to any ferrous metal surface - it even works upside down
• Rubber covered magnetic base prevents scratching

The magnets in these are seriously powerful. They can handle any screw or bolt you need. The bottoms are also magnetic, allowing them to be put wherever you need (provided where you need it is ferrous metal of course).