Thomastik - 633.817

Steel rope core reduces stiffness and improves elasticity.
Steel rope core reduces stiffness and improves elasticity.
high fifth purity.
durability and tuning firmness.
G steel rope core.
chrome wound 4/4.
Tension: soft 4.
8kg/10.
6lbs.
medium 5.
5kg/12.1lbs.
strong 5.
9kg/13.0lbs.