1、Hexangular steel core ensures force equality and stability; precise nickel wire wound. 2、Bright and rich tone, with vibration balance to ensure continuity and steadiness. 3、Reliable quality, strong durability, high gloss. Smooth feeling, comfortable to use. 4、6 pcs strings in 1 sealed package, different colors of end balls corresponding with different serial numbers. 5、Perfect string replacement for electric guitar. Both for primary guitar players and professional performance. This electric guitar strings set is an optimal combination of bright and rich tone, stable performance and strong durability. Perfect choice for electric guitar players or enthusiasts. Features: Hexangular steel core ensures force equality and stability; precise nickel wire wound. Bright and rich tone, with vibration balance to ensure continuity and steadiness. Reliable quality, strong durability, high gloss. Smooth feeling, comfortable to use. 6 pcs strings in 1 sealed package, different colors of end balls corresponding with different serial numbers. Perfect string replacement for electric guitar. Both for primary guitar players and professional performance. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Model: K-09X/ K-10X (Optional) Material: Hexangular Steel Core + Nickel String Diameter (Note/inch/mm): K-09X: 1E/.009/0.23; 2B/.011/0.28; 3G/.016/0.41; 4D/.024/0.61; 5A/.032/0.81; 6E/.042/1.07 K-10X: 1E/.010/0.25; 2B/.013/0.33; 3G/.016/0.41; 4D/.026/0.66; 5A/.036/0.91; 6E/.046/1.17 Package Size: 5.25 * 0.5 * 4.75cm / 2.07 * 0.20 * 1.87in Package Weight: 37g / 1.31oz Package List: 1 Set of Electric Guitar Strings 1 Set of Electric Guitar Strings