OME PROFESSIONAL MODELS provide the serious musician with all the essentials needed for a top performing instrument. They feature select Curly Maple, Walnut, or Mahogany woods, ornate inlays, polished lacquer finish, and ivoroid bound fingerboard and rim. The 11” 2-ply maple rim is fitted with the OME Vintage or Silverspun tone ring for maximum clarity and response. Options include: nickel, chrome, or gold hardware; and the 11” Megatone, 11” Tubaphone, or 12” Silverspun tone ring. Available in 5-string open-back ORACLE, SWEETGRASS, and TRILOGY models.