black packing steel strap, anti-corrosion thickniss 0.36-1.2mm width 12.7-32mm ribbon wound or oscillated wound black packing steel strap--oscillated wound material,Q195size,12.7x0.5mmtensile strength,700-800nelongation,5%-10%There are two packing ways for your choice,ribbon packing and rope packing. black packing steel strap--oscillated wound