货号:ITEM NO.0220品名:三用拉力器ITEM:Tri-function chest expander材质:铅淬火碳素钢丝+ABS树脂material:carbon steel wire+ABS弹簧扩胸拉力:350±25Npull of chest expander:350±25N脚踏弹簧拉力(牛顿):210±15pull of waist expander:210±15彩盒包装,12付/箱packing:1pc with color box,12pcs/ctn