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
HERE for complete specifications.