Length of the back The length over the arch is 354mm. This is fairly standard Width across lower bout The width across the lower bout is 205mm. Width across middle bout Width across the middle bout is approx.113mm. Width across the upper bout The width across the upper bout is 165mm. Stop Length The stop length is 195mm Miscellaneous Details The back is made from highly flamed maple with a tight flame. The front is made from close grained spruce. the rib height is 30mm at the bottom block and 28mm at the neck root. The varnish is a spirit varnish and the colour is a reddish brown.