Find Your Sigma Filter Guitars Filtered (0) Filters Reset all× Black Walnut× Flamed Koa× Flamed Maple× Pau Ferro× Walnut× Neck Thin V-Profile× 42,9 mm (1-11/16")× Special 6-String Neck Width at Nut 28 mm (1-1/8”) 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.