Patent ID: 7759565

Claim:
A wrestplank for use in a stringed instrument, the wrestplank comprising: first and second outer working plies; and first and second median working plies stacked in between the first and second outer working plies; wherein each working ply defines a direction of grain, the working plies collectively define a tuning pin hole configured to securely receive a tuning pin, whereby the tuning pin is substantially surrounded by and in engagement with end wood of the working plies; wherein the directions of grain of the outer working plies are oriented substantially parallel with respect to a longitudinal axis defined by the wrestplank; and wherein the grain direction of the first median working ply is oriented at an angle of between about 60° and about 75° with respect to the longitudinal axis, and the grain direction of the second median working ply is oriented at an angle of between about 105° and about 120° with respect to the longitudinal axis.