What should I specify so two batches behave the same?

Short answer

Blade thickness and blade finish. Vibration is the product, and thickness is what sets it.

Answered from the custom spoons and spinnerbaits: how an oem order works record · Spoons and spinners · question 5 of 11 · updated 2026-09-21

In detail

A blade that varies by a fraction of a millimetre vibrates differently, and the sample will always look right - which is why the field belongs in the specification rather than in the sample approval.

Where this answer comes from

Part of the product record Custom spoons and spinnerbaits: how an OEM order works (Spoons and spinners). The record carries the tables this answer is drawn from, the fields a factory needs before quoting, and an explicit list of what has not been verified.

Products that solve this

Sampled listings from the same product family (Spoons and spinners). Reference price per unit with the MOQ stated; a quotation against your specification governs a transaction.

All spoon & spinner listings · factory identity is released after a trade account is approved.

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