ITEM NAME:6pcs A103 Bronze Stainless Steel Acoustic Guitar String Set Description: Brand New 1set Acoustic Guitar String The String Made by Phosphor Bronze Wound, Anti-Rust Suit for Acoustic Guitar Material: Alloy steel Core String Diameter(6 strings): E=0.3mm B=0.41mm G=0.61mm D=0.81mm A=1.07mm E=1.35mm Package Includes: 1 Set Acoustic Guitar String SKU: ALU0035573857000550.1 Set Acoustic Guitar String. Suit for Acoustic Guitar. The String Made by Phosphor Bronze Wound, Anti-Rust. Material: Alloy steel Core.