Corelli Bass Nickel 380M – Set Corelli Nickel bass strings are aimed at the student and intermediate musician. Made of a solid steel core, with a diameter thinner than other comparable bass strings. As a result, Corelli Nickel bass strings have a more flexible feel and a lighter touch.This nickel wound G string is part of the Tungsten Bass string line. Corelli bass strings are made in the same fashion as Corelli\’s Nickel bass strings but are aimed for a more advanced and professional player. Made of a solid steel core of a thinner diameter, the Corelli Tungsten bass strings have the feel of flexibility and ease under the left hand. There are no reviews yet.