We've got your rhythm section covered with C.F. Martin Acoustic SP Bass strings, available in long-lasting 92/8 Phosphor Bronze. Martin SP Phosphor Bronze strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.

Set: MSP4800
Gauge: 4-String Light 45-65-80-100
Tension: 191.1
Package: 4 strings