There are no instructions for installing components for the punch, so you'll have to be fairly intuitive to figure it out. However, this is a minor issue. The main problem is that the tool comes in an inferior case. There are plastic hinges on the body, which in my experience wear out quite quickly, especially with frequent use of the tool. It is important to have a sturdy case for this tool as it is made up of small parts. I haven't punched holes with this tool before, so I'm not judging its use.
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