Find Your Sigma Filter Guitars Filtered (0) Filters Reset all× Flamed Koa× Solid Flamed Maple× Walnut× Neck Shape modified V× 28 mm (1-1/8”)× Yes× Special All Solid Neck Thin V-Profile Show (0) Cancel No Results Found The page you requested could not be found. Try refining your search, or use the navigation above to locate the post.