Find Your Sigma Filter Guitars Filtered (0) Filters Reset all × Grand OM × Semi-Hollow × Black Walnut × Flamed Koa × Flamed Maple × 47,6 mm (1-7/8") × Yes × Body Size Grand Jumbo Neck Width at Nut 42,9 mm (1-11/16") 44,5 mm (1-3/4") 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.