Rotosound Acoustic Guitar Strings Jumbo King JK12 Medium Light are phosphor bronze wound acoustic guitar strings with warm tone, great clarity and sustain that lasts. Favoured by players like John Renbourn and Bob Geldof and developed together with some of the worlds top guitarists, these string sets bring a smooth powerful tone that lasts when other strings have long since died.

Sonic brilliance and strength make Rotosound Acoustic Strings Jumbo Kings the best choice for the guitarist.

Roto JK12 string guages are 12 16 24w 32w 44w 54w with the w denoting a wound string.