Or micmer {mis-mare'}; also (feminine) macmrah {mas-mer-aw'}; or micmrah {mis-mer-aw'}; or even masmrah (Eccles. 12:11) {mas-mer-aw'}; from camar; a peg (as bristling from the surface) -- nail.
KJV: So the carpenter encouraged the goldsmith, and he that smootheth with the hammer him that smote the anvil, saying, It is ready for the sodering: and he fastened it with nails, that it should not be moved.
NASB: So the craftsman encourages the smelter, And he who smooths metal with the hammer encourages him who beats the anvil, Saying of the soldering, "It is good"; And he fastens it with nails, So that it will not totter.