Larsen Aurora strings Solid steel core, A & D stainless chrome-steel alloy wound, G nickel wound, C tungsten wound. Warm, brillant sound without metallic overtones 1/8 Cello (480mm scale/18.9 inch scale) A, Steel core wound with chrome steel, 1/8 Medium tension 12.5kg/27.5lbs D, Steel core wound with chrome steel, 1/8 Medium tension 9.8kg/21.6lbs G, Steel core wound with nickel, 1/8 Medium tension 8.7kg/19.2lbs C, Steel core wound with wolfram, 1/8 Medium tension 8.6kg/18.9lbs Set medium tension 39.6kg/87.2lbs