Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Report A Problem

CANCEL

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

Profile Types

iF SOCIAL IMPACT PRIZE

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Expand & Contract / Screwdriver

Expand & Contract
Expand & Contract

Screwdrivers are not safe because the tip of the screwdrivers might stab and hurt people. The Product [Expand & Contract] hid shank of the screwdriver in the grit, and user can push shank how long they need out. By such the design, people can use screwdriver safer and much free.

University

National Taipei University of Technology

National Taipei University of Technology
Taipei, Taiwan

Tzu-Kun, Hwang

Go to profile
Design

National Taipei University of Technology

National Taipei University of Technology
Taipei, Taiwan

Chun-Chieh, Chang Chi Wang Tsung-Hsian, Wang Chih-Wei, Lai Yun-Huei, Lai

Go to profile

Related content

Legal Notice