Ernie Ball Earthwood Phosphor Bronze acoustic bass strings are made from 92 percent copper, 7.7 percent tin, 0.5 percent phosphorus wire wrapped around tin plated hex shaped steel core wire. These acoustic bass guitar strings have a light orange, gold colour and provide a mellow, ringing sound with excellent clarity. Gauges: 45-55-80-95.

Features:
• Same phosphor alloy as slinky acoustic
• Mellow ringing sound with excellent clarity
• Wrapped around tin plated hex shaped steel core wire