Outstanding color and not easy to break; rigid core nickel alloy winding, sound is loud and not noisy; beautiful, rust-proof, durable, steel-nickel alloy winding, comfortable and smooth, longer lifespan; good oxidation barrier. The production is a combination of sophisticated traditional techniques and modern automatic machines. These strings are melodious, comfortable to play with, durable, and affordable, a great choice for music lovers. 1 set of 4 high-quality double bass strings. Steel core provides superior strength and durability. String pitches for a set of strings: 1st, 2nd, 3rd, 4th. Specifications: Suitable for: 3/4, 4/4, 1/2, 1/4, 1/8 double bass. 1st: Diameter: 1.04mm, 2nd: Diameter: 1.6mm, 3rd: Diameter: 1.92mm, 4th: Diameter: 2.4mm. Color: As shown. Material: Steel core. Package Contents: 1 Set * Double Bass Strings (1st, 2nd, 3rd, 4th). Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.