I think that should work. The handles are not too long and it will take a bit more force. If more than 10 rivets need to be set, I would suggest a more professional version.

Unfortunately, we do not have the desired spare part in our range. It is recommended to contact the manufacturer directly.

This tool can only do blind rivet.

Yes, according to the description, these pliers are compatible with M3, M4, M5 and M6 blind rivet nuts: Rapid Blind Rivet Nuts M5 Rapid blind rivet nuts M6

Yes, everything is included that is needed