Specifications:Feature:- Steel string core, copper alloy wrapped string.- 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: 0.010 inch / 0.25mm- B-2nd: 0.014 inch / 0.36mm- G-3rd: 0.023 inch / 0.58mm- D-4th: 0.030 inch / 0.76mm- A-5th: 0.039 inch / 0.99mm- E-6th: 0.047 inch / 1.19mmModel: IRIN A100Type: Acoustic Guitar StringsMaterial: Steel Core (Coated Copper Alloy Wound)Package Weight : 28 G / 0.99 OuncesPackage Dimensions (L*W*H) : 110*110*10 MM / 4.33*4.33*0.39 InchesRetail Packaging: Yes, Colored BoxPackage Include:1 x IRIN A100 (.010-.047) Acoustic Guitar Strings Set