1st - single g' - 0.017/0.431mm - 6.38lbs/2.9kg - rectified nylon. 2nd - unison d' - 0.023/0.584mm - 6.6lbs/3kg - rectified nylon. 3rd - unison a' - 0.0265/0.673mm - 5.17lbs/2.35kg - rectified nylon. 4th - unison f - 0.017/0.431mm - 5.5lbs/2.5kg - silverplated wound. 5th - octave c' - 0.019/0.482mm - 4.84lbs/2.2kg - rectified nylon. 5th - fundamental c - 0.020/0.508mm - 5.19lbs/2.45kg - silverplated wound. 6th - octave g - 0.022/0.558mm - 4.4lbs/2kg - rectified nylon. 6th - fundamental G - 0.025/0.535mm - 4.62lbs/2.1kg - silverplated wound. 7th - octave f - 0.023/0.584mm - 4.4lbs/2kg - rectified nylon. 7th - fundamental F - 0.0295/0.749mm - 5.28lbs/2.4kg - silverplated wound. 8th - octave e - 0.024/0.609mm - 4.4lbs/2kg - rectified nylon. 8th - fundamental E - 0.0295/0.749mm - 4.84lbs/2.2kg - silverplated wound.