A set of five Warwick RED Strings designed for electric bass guitars. The strings have a medium light hardness and are made of nickel-plated steel. The package includes strings in sizes .040, .060, .080, .100, and .130 inches. The Warwick Strings series delivers high quality, long lasting strings with an effortless playability while maintaining the traditional sound. They are specially designed to be well balanced, provide very precise intonation and an extremely wide dynamic range.