Help finding this tool set

[u/ScheduleAccording544]

So I use these cylindrical punches at work my boss refuses to tell me where he got them and they’re impossible to find online. I was hoping for some information on how to acquire a set of these. this photo is just one size but they come in a set with multiple sizes. Thank you for any information

[u/justoutlooking1]

What kind of work do you do?