Dual-Action Truss Rod MM-style (bass)
615 mm (therefrom 25mm length/ hex nut) x 9 x 6 mm
Trussrod for Music Man or similar.
Works in both directions, like Dual-Action-trussrod:
2rods, one against the other.
One of them is "right"-threaded at one side and "left"-threaded at the other side.
When tightened by the allen nut it pulls against the other and is perfectly
adjustable in both directions.
The disk-shaped nut (19 x 5.5 mm, see photo) can be adjusted
with a 4mm Allen key or with a 3mm rod.
Routing width 6 mm, depth 9 mm.
Weight: 197 g