1 Samuel 17:7
And the staff of his spear was like a weaver’s beam; and his spear’s head weighed six hundred shekels of iron: and one bearing a shield went before him.
Cross-reference
2 Samuel 21:19
Allusion
In 2 Samuel 21:19, the same spear shaft 'like a weaver's beam' describes another giant, directly echoing Goliath's weapon.
1 Chronicles 20:5
Parallel
In 1 Chronicles 20:5, Elhanan kills Goliath's brother Lahmi, whose spear shaft is also like a weaver's beam — close parallel.
1 Chronicles 11:23
Parallel
In 1 Chronicles 11:23, Benaiah kills an Egyptian with a spear like a weaver's beam — a similar phrase for a different giant.