AEO Index · Shopper query

“Proof gauge”

When an AI shopping agent (ChatGPT, Claude, Perplexity) is asked for proof gauge, these are the stores it surfaces — in the order the agent returns them. 5 merchants compete for this query. Prices agents surface run $28–$681 (median $205).

What agents return for “Proof gauge”

  1. 1hroberts-di.comMitutoyo 575-313 Coolant Proof Linear Gauge, Range 0-0.5", Resolution 0.0005"$231
  2. 2greatgages.com52-562-791-0 Fowler Coolant Proof Test Indicator .03" Range / .0005" Grad$205
  3. 3birkgo.comWeld Fillet Gauge with Case, 22 Gauge Size, Stainless Steel 100-NFG-7$28
  4. 4westorque.comMitutoyo 571-265-20 DEPTH GAGE, DIGIMATIC, 8 IN, COOLANT PROOF, HOOK$681
  5. 5fowlerprecision.comFowler 0-22" X-Proof Dial Depth Gage$150

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