· DEVELOPED IN CLOSE COLLABORATION WITH MUNKY AND HEAD: These strings offer the sound and feel they rely on in the studio and on the stage.· CAREFULLY TAILORED TO 7-STRING GUITARS: Munky and Head pioneered the use of 7-string guitars, and this set perfectly complements the tonal and tactile dynamics of their instruments.· UNLOCK THE TRUE POTENTIAL OF YOUR INSTRUMENT: With increased dynamic range, optimal tension when drop-tuned, and incredible tuning stability, these strings will open up your 7-string guitar to new levels of expression.· TONALLY BALANCED FROM STRING TO STRING: Each string is specifically designed to naturally complement the tone of the others in its set.