RUSSTONE APB10-50 is a set of APB strings for a 6–string acoustic guitar. Standard kit for ultralight tension. Thin strings are perfect for beginners, because they are easier to clamp on the neck. In addition, this flexibility will appeal to those who play the blues, like to perform solos and bands, or use the technique of playing with fingers (fingerstyle). RUSSTONE APB strings for acoustic guitars are made of a hexagonal core with a winding made of an ultrapure alloy of phosphorus and bronze, which allows you to extract an optimally bright sound with a warm hue and a minimum of undesirable overtones.