It can be used as a good tool for a machine and promotional item, we have round one and rectangle one, the size we can customize has 3 inch,4 inch and 6 inch. Small parts and tools will never be lost because of the strong magnetic. Smooth stainless steel trays have powerful ceramic magnets with rubber covers in the base to secure the tray to a metal toolbox or table. The sticker logo will be attached to the bottom of the bowl.
