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Supply88

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Supply88

Erwin Action Ratio Gauge

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$30.00

Color

Black

Quantity

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Quantity

1

Description

We collaborated with Erwin's Piano Restoration to provide this new version of the Erwin Action Ratio Gauge. This gauge provides fast, precise measurements of grand piano action ratios.

The sand-weighted gauge depresses one key exactly 6mm. M...

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Supply88

4.9 (32)

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