In space, if a knife were to break, there is no way to get a new one. With this pocket knife, it will provide the astronauts with a way to obtain a knife which is very necessary in space. While in zero gravity, if the astronauts even make the slightest mistake, it could be very costly and might result in losing a tool, such as a knife. With this high risk of losing a knife, it is very important to have the tools needed to obtain a new knife. This is why this part will be very useful in space.