The sheep gut core of the Oliv-Stiff strings is manufactured, wound and polished in the traditional way, by hand.
darker and more powerful sound than Oliv strings
Oliv-Stiff strings are manufactured in up to three gauges in steps of 1/4 PM.
The D-string has a ball-end, G- and C-strings have a knot.
Oliv-Stiff strings are available in 4/4.