The S-O is Martin's entry level soprano ukulele.  Made of solid mahogany this uke puts out a very warm and mellow tone in a wide variety of different applications.  Traditional appointments true to the heritage of the ukulele including 13.6 inch scale, friction tuners and knot end bridge.  All though small and relatively inexpensive, this ukulele shows outstanding attention to detail and very high quality craftsmanship.  Click HERE for complete specifications.