F34/35 picker stick spring is producted with good quality carbon steel,has good block strength, more line,and good tenacious. Place of origin is Sanmenxia Gorge.

• 35投梭棒弹簧采用优质碳钢原料生产加工，具有阻扭力大，圈数多，韧性好等优点！产地：三门峡