About Electric Guitar strings DEG-009 – Nickel wound Oh, the strings. The beautiful heart of the guitar, the part that makes your songs and melodies and arpeggios and chords come to life. Strings are needed to play the guitar and are used at two different points: on the fretboard, where your fingers press down on strings to change the pitch and sound, and also over the soundhole, where the strings can either be strummed, plucked, or finger picked. Strings must be tuned properly for the desired sound and must be well maintained. So the quality of strings is must be top-notch and Ziko provides top-quality strings for your guitar.