高级钢芯   Steel Core

镍铬缠弦   Nickel Chromium Wound

镀镍珠头   Nickel-Plated Ball-End

塑料袋装  Pastic Bag

A-1st    Nickel Chromium Wound

D-2nd   Nickel Chromium Wound

G-3rd    Nickel Chromium Wound

C-4th   Nickel  Chromiun  Wound