Hammer
The hammer surfaces in scripture as a workman's percussion-tool — used at the quarry, the anvil, the idol-finishing bench, and the tent-floor — and as a figure for instruments of striking power, both the divine word and the imperial reach of Babylon. Its appearances cluster in two registers: the literal craft-tool wielded by a named hand, and the prophetic simile where a striking implement names something larger than itself.
The Workman's Tool
In the construction of Solomon's house, the hammer is named only to be silenced from the sanctuary-ground. The dressing-work is pushed back to the quarry-face, and the temple-site itself is kept clear of iron-tool sound: "the house, when it was in building, was built of stone made ready at the quarry; and there was neither hammer nor ax nor any tool of iron heard in the house, while it was being built" (1Ki 6:7). The neither-hammer / nor-ax / nor-any-tool-of-iron triple-denial bans all three implements from the building-site, and the heard-in-the-house phrase extends the prohibition from contact to sound.
At the metalworker's bench, the hammer is the planisher's tool, paired with the anvil and the anvil-striker: "the carpenter encourages the goldsmith, [and] he who smoothes with the hammer him who strikes the anvil, saying of the soldering, It is good; and he fastens it with nails, that it should not be moved" (Isa 41:7). The smoother-with-the-hammer and the anvil-striker work as a pair — one planishing, the other delivering the matching forging-stroke — in the trade Isaiah describes as the manufacture of an idol that must be nailed in place to keep upright.
In Jael's Hand
The hammer's most concrete narrative appearance is in Jael's tent. As Sisera sleeps, "Jael Heber's wife took a tent-pin, and took a hammer in her hand, and went softly to him, and struck the pin into his temples, and it pierced through into the ground; for he was in a deep sleep; so he swooned and died" (Jdg 4:21). The take-verb has Jael as subject over both the tent-pin and the hammer, the in-her-hand phrase grips the hammer for the blow, and the strike-and-pierce sequence drives the pin clean through into the ground beneath.
The Song of Deborah replays the scene in poetry and names the implement explicitly as "the workmen's hammer": "She put her hand to the tent-pin, And her right hand to the workmen's hammer; And with the hammer she struck Sisera, she struck through his head; Yes, she pierced and struck through his temples" (Jdg 5:26). The right-hand to-the-workmen's-hammer phrase names the hammer as a household-grade craft-tool wielded for a battlefield-scale blow.
The Idol-Maker's Hammer
The same hammer that planishes metal also nails the finished idol in place. Jeremiah's anti-idol polemic builds the tool-pair into a fastening-clause whose sole purpose is to keep the manufactured god from falling over: "They deck it with silver and with gold; they fasten it with nails and with hammers, that it will not move" (Jer 10:4). The hammer here is named as the strike-instrument of the nails-and-hammers pair, and the it-will-not-move purpose-clause exposes the irony — the idol cannot stand without the workman's percussion-tool to fix it upright.
Like a Hammer That Breaks the Rock
In the prophetic register, the hammer becomes a figure for the striking-power of Yahweh's word. Jeremiah pairs it with fire in a two-part rhetorical question: "Isn't my word like fire? says Yahweh; and like a hammer that breaks the rock in pieces?" (Jer 23:29). The like-a-hammer simile-phrase fastens the figure at the percussion-tool tier; the that-breaks-the-rock-in-pieces relative-clause grades the operative-effect at the rock-shattered register, where the hammer is exhibited as the implement capable of fracturing the hardest substance. The breaks-in-pieces predicate carries the figure past mere striking into actual shattering — the divine word is the tool whose characteristic stroke breaks even rock.
The Hammer of the Whole Earth
The same prophet uses the hammer as the title for an empire. In the oracle against Babylon, Yahweh names the world-power under the smith-instrument figure and announces its fate as the shattering of the implement itself: "How is the hammer of the whole earth cut apart and broken! How has Babylon become a desolation among the nations!" (Jer 50:23). The of-the-whole-earth phrase grades the operative-scope at the universal-reach register — Babylon's striking-arm reached every nation. The cut-apart-and-broken paired-predicate grades the hammer's fate at the smashed-instrument register, and the among-the-nations phrase fastens the audience at the international-witness register, so the imperial implement that struck the whole-earth is exhibited as itself broken, in public, before the nations she once struck.