Material: YG6 YG8 Gradus G5, G10 Specification: 1.588-50.8mm Features: High Durate, Hra89-95 High density 18-18.2g / CM3 Princeps specifica gravitas, parva volumine, superior duritia quam ferre ferrum pila Magis gerunt, repugnans; Bona rubigo praeventionis, corrosio resistentia; Precisionem boni electrica conductivity