Features: The electric bass strings have a full-bodied sound and stable sound quality. Easy to install and adjust. Made from hexagonal high carbon alloy, wrapped with nickel steel, wear-resistant, strong tensiles strength, and stable sound quality. Suitable for electric bass enthusiasts, professional performers, and bands members, whether beginners or experienced musicians. It can be used in various occasions such as recording studios, performances venues, and practice rooms, providing users with excellent sound quality performances and comfortable playing experience. Suitable for various electric bass instruments. Easy to use. Specifications: Material: Hexagonal high carbon alloy+nickel steel winding (PVD coating) Type: 45 to 105/45 to 130 EB105:45 65 85 105 EB130:45 65 80 100 130 Packaging size: Approx. 16x14x2cm/6.30x5.51x0.79inch Package Includes: 4pcs/5pcs Bass Strings note: Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.