The Thomastik Infeld Blue 4/4 Size Violin String Tin Plated Carbon E is a set of adjustable violin strings specifically designed for a 4/4 size violin. Made by the reputable brand Thomastik-Infeld, these strings feature a unique tin plated carbon material that offers a bright and clear tone. The set includes 4 strings in a striking blue color, making them easy to identify and ideal for violinists looking for high-quality and reliable strings for their instrument. With a length of 4.950 inches and a width of 3.940 inches, these strings are the perfect choice for violinists seeking excellent performance and durability.