Number 2 is absolutely a lite gauge sheet metal hand punch ^^. #3 looks like a nibbler cutter for a pneumatic unit. One looks like a dedicated nut wrench for something lite duty like maybe bottle hoses or something. My guess would be whomever owned these was a hvac tech.
Pardon my ignorance--what do you use a sheet metal hand punch for?
Actually he was an HVAC tech...good guess...
