LNS Product Name: Andoer Orphee RX19 6pcs Electric Guitar String Set (.011-.050) Nickel Alloy Medium Tension High-carbon steel hexagonal alloy inside material. Adopt 8% nickel alloy outside material. Strong tightness offering excellent 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.