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Ratchet Wrench / Ratchet wrench

Ratchet Wrench
Ratchet Wrench

Discipline: Product

Discipline: Product

1. The Ratchet Wrench is designed with a direction shift mechanism to shift the action direction by the handle instinctively instead of the direction switch button. 2. An extension bar was designed to increase the length of handle to enhance hand strength if needed. 3. A T-bar or L-bar can be used to increase the operating moment by the hand strength. 4. A hand-shaped handle was designed to fit the shape of hands. 5. A 360° operation angle was designed for the left and right handed users.


  • DEVELOPMENT TIME up to 12 months

  • TARGET REGIONS Africa, Asia, Australia/Oceania, Europe, North America, South America

  • TARGET GROUPS Consumer / User, Trade / Industry

  • ASSESMENT CRITERIA Practicability, Innovation, Usability + Ergonomics

Client / Manufacturer

King Tony Tools Co., Ltd.

King Tony Tools Co., Ltd.
WuJih Dist.,Taichung, Taiwan


Formosa Tools Co. Ltd.& NYUST

National Yunlin University of Science and Technology
Douliu, Yunlin, Taiwan

Dengchuan Cai, Jhongpei Wu, Jyun-Cheng Cheng