This tool is a wrench that can be used by astronauts for EVA. As astronauts have limited dexterity when in their space suits to complete various tasks, it is difficult to use a traditional wrench. My ergonomic design allows astronauts to grasp wrap their fingers around the handle like bar and then use their arm and wrist in one fluid motion, so that the tool can easily loosen or tighten nuts, bolts and other fasteners easily and effectively. I have also included notches on the front and back sides so astronauts can line up the wrench with their target. There is also a hole for tethering this wrench. I have focused on form, fit and function in this design.

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