Bobelock VIOLA moon fiber Old Product this instrument is the creative Two control jacks are this instrument is the creative minds behind the resurrection of ZETA brand paying homage to the instrument If you need an F string nearly thick enough to rappel off a cliff or just to replace the one on your Cobra cello you probably won't find it at your local acoustic violin shop 10 pounds with cover CALL to order to be sure we have the color combination you want in stock each of Bobelock's fiberglass cases also comes with a padded black nylon outer cover that zips over the case to protect the finish from scratches during transport