What Size wrench is used to adjust the
Bourgeois Double Action Truss rod?
currently use a 5mm wrench (Allen wrench, Allen key, hex wrench, or hex
key). Some older guitars used 5/32" wrench. Stewart-Macdonald #6110 is the
current correct size. Any
hardware store should also carry a wrench of the correct size.
truss rod is a "double action" truss rod developed
to work on both a forward & backward bow.
Truss rod adjustment involves many
subtleties. If you have no prior experience adjusting truss
rods, or if a simple adjustment does not give you the desired
outcome, we recommend taking your guitar to an experienced
to FAQ page
updated: October 29, 2008