优质Cr-Mo钢3/8"方头，圆螺母专用气动套筒3/8"Sq.Dr.D2D1L1LOrderNo.Smmmmmmmm6971100518.3242424446971101023.6292924446971101227.5344075901/2"方头，圆螺母专用气动套筒1/2"Sq.Dr.D2D1L1LOrderNo.Smmmmmmmm6971200518.3242424446971201023.6292924446971201227.534407590)