This is a set of Rotosound Jumbo King phosphor bronze acoustic guitar strings, 12-54, light.

Rotosound’s Jumbo King acoustic guitar strings range is the British answer to the US industry standard.

A distinctive 92/8 phosphor bronze alloy is wound over steel hex core delivering outstanding tuning stability and warm, yet clear tone with plenty of sustain.

Rotosound JK strings are played by some of the world’s most famous musicians including: Jeff Lynne, Noel Gallagher, and Jarvis Cocker.