1 Samuel 17:7

And the shaft of his spear was like a weaver's beam. And his spearhead weighed six hundred sicles of iron. And one bearing a shield went before him.

2 Samuel 21:19

And there was yet the third battle in Gob, with the Philistines, where Elhanan the son of the Jair slew Lahmi, the brother of Goliath the Gittite: the staff of whose spear was as great as a weaver's cloth beam.

1 Samuel 17:41

And the Philistine came and drew near to David, with the man that bare a shield before him.

1 Chronicles 11:23

And he slew an Egyptian which was a man of size, even five cubits long, and in his hand had a spear like a weaver's beam. And the other went to him with a waster and plucked the spear out of the Egyptian's hand, and slew him with his spear.

1 Chronicles 20:5

And there was battle again with the Philistines, and Elhanan the son of Jair slew Lahmi the brother of Goliath the Gittite, whose spear was like the beam of a weaver.

Treasury of Scripture Knowledge

Summary

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.

Bible References

The staff

2 Samuel 21:19
And there was yet the third battle in Gob, with the Philistines, where Elhanan the son of the Jair slew Lahmi, the brother of Goliath the Gittite: the staff of whose spear was as great as a weaver's cloth beam.
1 Chronicles 11:23
And he slew an Egyptian which was a man of size, even five cubits long, and in his hand had a spear like a weaver's beam. And the other went to him with a waster and plucked the spear out of the Egyptian's hand, and slew him with his spear.
1 Chronicles 20:5
And there was battle again with the Philistines, and Elhanan the son of Jair slew Lahmi the brother of Goliath the Gittite, whose spear was like the beam of a weaver.