The strings of Orphee-RX series have strong durabilityhigh gloss and feeling comfortable. This Item is designed for electric guitar. Features: High-carbon steel hexagonal alloy inside material. Adopt 8% nickel alloy outside material. Strong tightness offeringexcellent resonates, medium tension. Strings arounded in 6 circles placed in a plastic bag. Good feeling, high glossiness, full tone. For primary guitar players and professional performance. Specifications: Model: RX19 Material: Hexagonal carbon steel & Nickel alloy Note/inch/mm: E/011/0.28; B/014/0.35; G/018/0.45; D/026/0.66; A/036/0.91; E/050/1.27 Package Size: 11 * 14.5 * 0.8cm / 4.3 * 5.7 * 0.3in Package Weight: 18g / 0.63oz Package List: 1 * Set of RX19 String