貨號:ITEM NO.0176品名:新型五條拉力器ITEM:five springs chest expander材質:鉛淬火碳素鋼絲+ABS樹脂material:carbon steel wire+ABS每條彈簧拉力(牛頓):70±5 彩盒包裝,10付/箱pull of each spring:70±5N,10pcs/ctn