Deuteronomy 25:13
You shall not have in your bag diverse weights, one heavy and one light.
World English Bible (Public Domain)
In context
Before · Deuteronomy 25:11–12
11When men strive against each other, and the wife of one draws near to deliver her husband out of the hand of him who strikes him, and puts out her hand, and grabs him by his private parts, 12then you shall cut off her hand. Your eye shall have no pity.
13You shall not have in your bag diverse weights, one heavy and one light.