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4-tool is a household tool that combines commonly used flat-head driver, screwdriver,
awl and hammer. By utilizing the structure of multi-color ballpoint pen, people of all ages
and gender can utilize the tools without much hassle. Without having to go through
heavy tool box, people can efficiently pull off moments that require some handy skills.
It can be stored seamlessly, in a pencil holder.


hong ik university

hong ik university
Incheon-si, South Korea

park geun,
hong ik university

kim jong su,
hong ik university

jo hyun yong,
hong ik university

jin sun uk,
hong ik university