Cello Strings Superflexible rope core
Steel rope core with reduced stiffness and improved elasticity; high fifth purity, durability and tuning firmness;4/4 set chrome (25/27/28/29);Tension soft 53,1kg/117.1lbs, medium 57,2kg/126.1lbs, strong 59,5kg/131.3lbs;Strong;31st;Made in Austria