Draper Magnetic Parts Tray, Large

Amazon

Storage - Ideal for storing nuts, bolts, screws and other small items while working. Convenient - Covered magnetic base allows for secure attachment to metal surfaces like toolboxes and workbenches. Efficient - Magnetism transfers to the inner surface of the tray, securely holding small metal parts, nuts, bolts and more.

ManoMano

For storage of nuts, bolts, screws, etc. whilst working. Tray has magnetic base for affixing to metal objects such as tool chests etc. Magnetism transfers to inner surface of tray to retain small metal parts, nuts, bolts, etc. Sold loose.