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Broken tuner button on a Larrivee and I am looking for the most cost effective way to replace it. Replacement sets are available directly from Larrivee but they are quite expensive. According to their information what I have in hand is an older model, which uses a conical aluminum bushing between the tuner shaft and the body of the button. Their replacements fit the same shaft but now the button itself is molded to fit directly on the shaft, and the conical bushing is not required.

What I want to know is, is this a Schaller-style arrangement? I am relatively new to repair, having previously built new instruments, so I am lacking in the historical knowledge of the whole range of parts. I know for sure this is not a Gotoh machine head as a Gotoh button does not fit on the shaft (shaft larger than hole). If this is a rebranded Schaller machine head then I would order replacement Schaller style buttons from Stewmac at much less cost than from Larrivee.

The tuner shaft itself is .150" across the major diameter and .138" across the flats

Couldn't find a definitive answer to the Schaller question but went ahead with ordering replacements directly from Larrivee. Consider the case closed.

When you took them off, was the manufacturer name on the hidden face?