杆秤

杆秤	gǎn chèng	a steelyard (a type of balance)
杆	gān	pole / CL:条,根
杆	gǎn	stick / pole / lever / classifier for long objects such as guns
秤	chēng	to weigh (variant of 称)
秤	chèng	steelyard balance; Roman balance / CL:台