貨号:ITEM NO.0114品名:新型四條拉力器ITEM:four springs chest expander材質:鉛淬火(huǒ)碳素鋼絲+ABS樹(shù)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