Bible Dictionaries
Plumbline

Wilson's Dictionary of Bible Types

Amos 7:7 (a) The carpenter's plummet for lining up the wall into a perfect vertical line is a type of the care which GOD exercises in determining that every soul is dealt with in perfect righteousness, justice and equity. (See also Isaiah 28:17).

Bibliography Information
Watson, Walter. Entry for 'Plumbline'. Wilson's Dictoinary of Bible Types. https://www.studylight.org/​dictionaries/​eng/​wdt/​p/plumbline.html. 1957.