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 1/16 Cello (410mm scale/16.14 inch scale) A, Steel core wound with chrome steel, 1/16 Medium tension 14.0kg/30.8lbs D, Steel core wound with chrome steel, 1/16 Medium tension 9.8kg/21.6lbs G, Steel core wound with nickel, 1/16 Medium tension 8.7kg/19.2lbs C, Steel core wound with wolfram, 1/16 Medium tension 8.6kg/18.9lbs Set Medium tension 41.4kg/90.5lbs