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.