The tumbi is a single-string instrument, so it only makes sense to always have a spare handy. The tumbi player takes pride in adjusting his or her own string to deliver the desired pitch; both installation and adjustment are effortless. Our tumbi strings come directly from the makers of the finest tumbis in Northern India. You can always be confident that these strings will produce a reliable and pure sound. The strings coils are good for 2 full length replacements.