Deuteronomy:25:13-15
kjv@Deuteronomy:25:13 @ Thou shalt not have in thy bag divers weights, a great and a small.
kjv@Deuteronomy:25:14 @ Thou shalt not have in thine house divers measures, a great and a small.
kjv@Deuteronomy:25:15 @ But thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee.