item: a scale

これ、昨年6月にパン・ラン14-21でニューヨークに行った時に泊まったレジデンスに据え付けだった体重計。

This is a scale which was at a residence in NY where I stayed last June. That trip made The Bread Running from 14 to 21 series happened too.

120kgまで量れるって一体…

Why its max is 120kg/260lbs, not less than 100kg/220lbs...