#4 intermediate for .125-.133″, final for .162″ (Mortise Sizing Caul for .087″)

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Description

#4 intermediate key bushing caul for key pin size .125-.133″, final keybushing caul for key pin size .162″

This is a single shouldered intermediate caul for installing the FIRST bushing on pianos with a key pin size of .125-133″. This is also a FINAL caul for installing the second bushing on pianos with key pin size .162″

This caul is also used as a MORTISE SIZING caul for pianos with key pin size .087″

Please review the “About Keybushings” and “Keybushing FAQ” page if you do not understand the two caul system.

Additional information

Quantity

Box of 45, Box of 90

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