The OM40 is Oscar Schmidt's F-style mandolin — the carved-scroll body shape that defines bluegrass mandolin since Bill Monroe's Gibson F-5, with select spruce top over maple body for classic chop and projection.
- Body shape: F-style (carved scroll, pointed body)
- Top: Select spruce
- Back & sides: Maple — the classic bluegrass voicing with chop and projection
- Designed for: Bluegrass mandolin — the F-style is the recognized professional bluegrass configuration
- Available in two configurations: Standard, Left-Handed