This bass string is made of high-quality materials. It is smooth, rust-proof, and will not cut your hands, giving you a perfect musical experience. A good choice for you. Features: Made of high-quality steel and nickel alloy, this product is sturdy and durable. Smooth, rust-proof, and will not cut your hands, giving you a perfect musical experience. Compatible with 4-string electric bass. Lightweight and portable, easy to store and use. A good gift for bass guitar beginners. Specification: Condition: 100% Brand New Item Type: Bass Strings Material: Steel + Nickel Alloy Four Colors: Blue, Rose Red, Yellow, Green (All Included) Suitable for: 4-string Electric Bass Thickness: G-1: 0.046inch (1.16mm), D-2: 0.057inch (1.44mm), A-3: 0.079inch (2mm), E-4: 0.100inch (2.54mm) Length: Approx. French: 120cm/47.2inch Weight: Approx. 74g Package Content: 4 x Bass Strings Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.