Specification:  Model:  RX-15: 009,011,016,024,032,042 mm;  RX-17: 010,013,017,026,036,046 mm;  RX-19: 011,014,018,026,036,050 mm;  Material: Hexagonal Carbon Steel & Nickel Alloy;  Inner Packing: Individual Poly-Bag;  Package Size: 11 x 14.5 x 0.8cm;  Package Weight: 17g.     Features:  - The strings are sturdy and durable, with high gloss and comfortable feel.  - Designed for electric guitars, suitable for beginner guitarists and professional performances.  - Inner wire uses hexagonal carbon steel core, the outer wire is wound with Austrian steel alloy.  - Smooth feel/bright sound quality, anti-rust coating treatment.     Note:  Due to manual measurement, please allow an error of 0-1 cm. Due to the differences between different monitors, the picture may not reflect the actual color of the item.     Package Included:  1 x String.