Beam: Weaver's
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1 Samuel 17:7
The shaft of his spear was like a weaver’s beam, and its iron point weighed six hundred shekels. In addition, his shield bearer went before him.
2 Samuel 21:19
Once again there was a battle with the Philistines at Gob, and Elhanan son of Jair the Bethlehemite killed the brother of Goliath the Gittite, the shaft of whose spear was like a weaver’s beam.