וישבו [וְיִשְׁבִּ֨י] בְּנֹ֜ב אֲשֶׁ֣ר ׀ בִּילִידֵ֣י הָרָפָ֗ה וּמִשְׁקַ֤ל קֵינוֹ֙ שְׁלֹ֤שׁ מֵאוֹת֙ מִשְׁקַ֣ל נְחֹ֔שֶׁת וְה֖וּא חָג֣וּר חֲדָשָׁ֑ה וַיֹּ֖אמֶר לְהַכּ֥וֹת אֶת־דָּוִֽד׃
And Ishbibenob, who was of the sons of the giant, the weight of whose spear was three hundred shekels of brass in weight, he being girded with new armour, thought to have slain David.
Read kabbalistic (mystical) interpretation of II Samuel 21:16: and classical mystical sources.