Sunrise Series Electric Guitar Strings 09-42, 10-46 Material:Plated steel wire light strings Hexagonal steel core alloy wrapped strings Feel:comfortable Tone: Bright and clear Crowd:Professional Product features: 1. Beautiful colour and lustre, clear tone, comfortable feel 2.Multi-layer nano grade coating for strings. Player Series Electric Guitar Strings 09-42, 10-46 Tone: Bright and full Crowd:Professional musicians Product Features: 1. Bright and transparent tone, comfortable to play. 2. Alloy wrapped strings, gold coloured strings, concert strings. 3.Multi-layer nano-coating for long-lasting protection. Diamond Series Electric Guitar Strings 09-42, 10-46 Nickel steel wound strings for durability and stabilityThe wound strings are made of nickel steel as the outer winding wire, and the inner core is made of hexagonal steel. Master Series Electric Guitar Strings 09-42, 10-46 All electric guitar strings are made of high carbon steel with a hexagonal core, and the bass strings are made of nickel alloy.