b'EARTHWOOD PHOSPHOR BRONZEErnie Ball Earthwood Phosphor Bronze Acoustics are made with phosphor bronze wire wrapped around brass plated high carbon steel hex cores. Engineered to meet the demands of acoustic musicians worldwide, these concert quality strings provide deep, rich bass notes with clear bright trebles. Each set is packaged in an ultra low humidity environment with Ernie Balls element shield packaging. TONE PROFILE FEATURES Wound with phosphor bronze wrap wireTreble Warm rich toneMid Superior clarityBass Element shield packaging10-50 | P02150 11-52 | P02148 12-54 | P02146 13-56 | P0214410-52 | P02151 9-46 | P02153(Plain G)24 ernieball.com'