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This design is called Allen Key Pistol. The Allen Key Pistol is a hand tool with pistol which contains several size keys. The Allen Key Pistol has following features: 1. A user doesnt equip many different individual size allen keys in working, because several size keys are set in the pistol. 2. Adjustable handle in length makes the user turning nut in different depth places. 3. Adjustable handle in angle makes the user to turning nut in places under different angles.
Ling Tung University
JD design studio
Je-Nung Deng Yuan-Hsin Chang Chuan-Lung Lin Jhen-Cyuan Yang