... .Material :High Tensile polyester webbing 2.safety: 7:1 3.Break strength:3000kgs Polyester Lifting Strap Main technical data Material: polyester ... , polypropylene, nylon, Dubang Si safety factor: 6:1 to ... 2, the surface does not hurt to be suspended 3, lifting a smooth, safe 4, high strength, colorful 5, increasing ...