12-Fret OOO Size Hardcase


A perfect replacement case for a standard OOO size or Martin OM style instrument. This case features black tolex over a wood-shell construction, heavy duty latches and a well-cushioned black plush interior. See below for more details and dimensions.


This is a standard plush case fit for a Martin-style OOO size guitar with a 12th fret body joint design.  It features a durable wood-shell construction and heavy duty latches.  See below for more details and dimensions.


Additional information

Sizing Note:

Lower Bout and Body Depth are most important. Your guitar should be within (+/-) 0.25" of the case dimension. Regarding Body Length: the case should be 1" – 2" longer than your actual guitar body due to heel curvature. Upper bout of guitar can be smaller than listed dimension.

Lower Bout:


Body Depth:


Body Length:


Total Length:


Upper Bout:


Measurement Diagram

Case Dimensions:


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