Feature:- Phosphor bronze core, anti-rust coat strings.- Playing-strings, the entire string select high quality raw materials.- Abundant pronunciation, automatic winding strings production.- Perfect steel strings for your acoustic guitar.Size:- E-1st: 0.012 inch / 0.30mm- B-2nd: 0.016 inch / 0.41mm- G-3rd: 0.024 inch / 0.61mm- D-4th: 0.032 inch / 0.81mm- A-5th: 0.042 inch / 1.07mm- E-6th: 0.053 inch / 1.35mmModel: IRIN A103Type: Acoustic Guitar StringsMaterial: Phosphor Bronze(Coated Copper Alloy Wound)Package Weight : 29 G / 1.02 OuncesPackage Dimensions (L*W*H) : 110*110*10 MM / 4.33*4.33*0.39 InchesRetail Packaging: Yes, Colored BoxPackage Include:1 x IRIN A103 Acoustic Guitar Strings Set