Gut string, reinforced by synthetic material, silver wound. Available in the gauges 16, 16 1/4, 16 1/2(medium), 16 3/4 en 17.

Steel string, silvery steel, medium, soft and heavy, ball or loop.

Gut string, reinforced by synthetic meterial, aluminium wound. Available in the gauges 13, 13 1/4, 13 1/2(medium), 13 3/4 en 14.

Gut string, reinforced by synthetic material, silver wound. Available in the gauges  13, 13 1/4, 13 1/2(medium), 13 3/4 en 14.