Features: 1.Made of high quality copper and steel, eco-friendly, anti-rust, very solid and durable, ensure a long time use. 2.Delicate workmanship with good texture, make great tone, give you great playing experience. 3.Great for beginners and experienced guitarists, suitable for most sizes of guitar. 4.Beautiful colors, good replacement and decoration for your guitar. 5.An excellent gift for your family or anyone who loves guitar and music. specification: Made of high quality copper and steel, eco-friendly, anti-rust, very solid and durable, ensure a long time use. Delicate workmanship with good texture, make great tone, give you great playing experience. Great for beginners and experienced guitarists, suitable for most sizes of guitar. Beautiful colors, good replacement and decoration for your guitar. An excellent gift for your family or anyone who loves guitar and music. s: Condition: 100% Brand New Material: Copper + Steel Weight: Approx. 36g / 1.3oz Color: As Pictures Shown Quantity: 12 pcs Type E-1 E-2 B-3 B-4 G-5(W) G-6 D-7(W) D-8 A-9(W) A-10 E-11(W) E-12(W) Diameter(mm / in) 0.252 / 0.010 0.252 / 0.010 0.36 / 0.014 0.36 / 0.014 0.58 / 0.023 0.252 / 0.010 0.76 / 0.030 0.36 / 0.014 0.96 / 0.038 0.46 / 0.018 1.19 / 0.047 0.69 / 0.027 Package list: 12 * Guitar String(E-1st: E-1, E-2, B-2nd: B-3, B-4, G-3rd: G-5, G-6, D-4th: D-7, D-8, A-5th: A-9, A-10, E-6th: E-11, E-12) The guitar is not included.