Toyo Steel Co. Ltd, born in 1969 in Osaka, is the specialist of the Toolbox "tool box" renowned for its many qualities: lightweight, portable, extremely durable because designed with a single piece seamless. All details are well thought out: rounded edges not to injure, retractable handle, lockout loop, embossed top/bottom allowing stacking. The use of the tool box is to be diverted, it finds its place in all the rooms of the house for storing pencils, sewing threads, telephones, glasses, kitchen utensils ... and of course tools.

The design is a reversal of the "Japanese Indigo" design, which is based on the Japanese "Indigo Dye" theme.