Features: 1) Specifications:7x7,6 x 7 + FC, 6 x 7 + IWC, 6 x 7 +IWS, 6 x 9W + FC, 6 x 9W + IWRC 2) Diameter: 1.2-16mm 3) Normal tensile strength: 1, 370-1, 960N/mm; 4) Suitable for vertical well drilling hoisting, cage channel of vertical well drilling, Port loading and unloading derricks and tower cranes, also suit for aircraft Packing: Wooden pallets, rolls or per buyers' requirements