Markbass Gouche Low Action 4 STS 40-100; 4-string string set; Andrew Gouchè Signature Set; Material: stainless steel; high-strength hexagon core; Exposed Core; Special taperwound bridge winding for low string action; Brilliant sound with outstanding sustain and definition, especially on the low strings; precise and brilliant sound; Gauge: 40-60-80-100; Longscale;