Description Excellent color, long lifespan, and not easily breakable; rigid core with steel-nickel alloy winding, loud sound without being noisy; beautiful, corrosion-resistant, durable steel-nickel alloy winding, comfortable and smooth, longer lifespan; good oxidation barrier. Production combines sophisticated traditional techniques with modern automatic machines. These strings are melodic, comfortable to play with, durable, and cost-effective—great choice for music lovers. 1 set of 4 high-quality double strings. Imported steel core provides superior strength and durability. String gauges: 1st, 2nd, 3rd, 4th Specifications: Suitable for: 3/4, 4/4, 1/2, 1/4, 1/8 double 1st: Diameter: 1.04 mm 2nd: Diameter: 1.6 mm 3rd: Diameter: 1.92 mm 4th: Diameter: 2.4 mm Color: As shown Material: Steel core Package Content: 1 set * Double strings (1st, 2nd, 3rd, 4th) Only the above package content included; other products not included. Note: Bright and different screens may cause the color on the image to slightly differ from the actual. The allowed measurement tolerance is +/- 1-3 cm.