Cobako - The background of the design is the skill of the honed craftsmanship to detail. 

Established in 1969, Toyo Steel was the first company in the world that successfully developed a deep drawing technology to make a seamless steel toolbox from a single sheet of steel.
Simple, durable, & rugged yet beautiful designed toolbox with “Made in Japan” quality.
Our products were awarded the “Good Design Award” and “Long Life Design Award” and have been loved for more than half a century.

Their products has been mainly produced for professionals for industrial use. But to make it closer to people's life, in order to be used in various scenes in life, Cobako is produced. It's up to you how to use them.