36` long. This is not a Kentucky banjo. The case is integral to the instrument. 10 steel strings the 8 main steel strings are plucked or strummed with picks while depressing keys to change the notes. The main strings on a banjo are all tuned to the same note.It can be any note comfortable to the vocals. Then tune the sympathetic strings to a complimentary harmonic.Indian instruments are usually tuned for the vocals or the particular Raga or song being played. They are not limited to one tuning. An important note about Indian Banjo qualityIn general, the quality standards on Indian instruments usually focus on the functionality of the instrument. The esthetic quality is secondary; Indian instruments often sound better than they look. The BulBul Tarang is the most striking example of this phenomenon. Marred finishes, dents, dings, surface imperfections and general blemishes are standard. We do sort through the shipments when they arrive and take the most blemished out of the first quality inventory. However, you should not expect an Indian Banjo to be un-marred.