steel cable core with great flexibility and elasticity Chrome wiring Great purity of the fifth, long duration, and stability of the agreement. Orchestral tuning. 3/4 size for 1040-1060mm (41-41.7 ") scale Floor: Average tension 28.5kg / 62.85lbs Re: Average tension 30.0kg / 66.1lbs The: Average tension 31.0kg / 68.3lbs Mid: Average tension 32.0kg / 70.6lbs Set Average tension 132.0kg / 291.0lbs