They are made of a very flexible steel core and they produce a big, powerful, distinct and well-balanced tone. They are easily combined with other brands and especially the A string is often combined with other brands
Forte Medium Dolce
A 0,45 mm 0,44 mm 0,43 mm
D 0,74 mm (8,4 kp) 0,73 mm (8,1 kp) 0,72 mm (7,6 kp)
G 0,81 mm (6,5 kp) 0,79 mm (6,4 kp) 0,77 mm (6,3 kp)
C 1,10 mm (6,1 kp) 1,08 mm (6,0 kp) 1,06 mm (5,5 kp)