Some models have removable blocks to allow conversion from semi-hollow to truly free top design. This is feature unique to these instruments. Graphite epoxy is used in the neck and in some cases the bracing for these guitars. An adjustable, advanced design, truss rod ensures control of action in all climates. The frets are polished to the 12,000 grit level, approximately the level of optical clarity.
Finishes are either clear or sunburst.