UNIOR: Product features Material: stainless steel - corrosion resistant keeps parts and tools right where you need them holds any small nuts - bolts and steel parts Advantages: powerful permanent magnet covers with protective rubber foot can be used in any position How to use the tool: With its powerful rubber-protected magnet - this magnetic tray is suitable for practically all industrial applications ranging from car repair shops to everywhere where it can be attached to a metal surface. It can be used in all positions - the magnet is so powerful that the tray can even be fitted upside-down. The tray is intended for protecting screws - nuts and the like against being misplaced - and for storing them in a central location to minimise the time needed to find a specific item. For usage in garage - engine - household work