5: "2.0mm lead holder": Every time its end button is pushed, "free" length of the lead can be coming out. (=manual).
6: "2.0mm mechanical pencil" automatic pencil: Every time its end button is pushed, "fixed" length of the lead is coming out. (=automatic).
7: Similar STAEDTLER of Germany style. Top part with one sharpener only for pencil leads.