Perfect 1 Set 6 pcs. Rainbow Colored Steel Strings for Acoustic GuitarSpecifications:Made of colored coated copper alloy. Long service life. Tunes stable, sounds great. Suitable for acoustic guitar. Make your guitar more perfect. Good tools to replace the guitar string, a good gift for guitar beginners. Item Name: Guitar StringsMaterial: Steel, Copper Alloy Quantity: 6 Pieces in 1 Set Chain Length:E String (1): 88cm/34.65" (Approx.) B String (2): 88cm/34.6" (Approx.) G String (3): 90cm/35.43" (Approx.) D String (4): 90cm/35.43" (Approx.) String (5): 85cm/33.46" (Approx.) E String (6): 85cm/33.46" (Approx.) 6 Different Color Strings Standard: E String (1) 0.011" (0.28mm) Stainless SteelB String (2nd) 0.015" (0.38mm) Stainless SteelG String (3rd) 0.024" (0.61mm) Red Brown WoundD String (4th) 0.032" (0.81mm) Yellow Brown WoundString (5) 0.042" (1.07mm) Blue Brown WoundE String (6) 0.052" (1.32mm) Green Brown WoundNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 6 x Guitar Strings