Professional Answer: At Ningbo Changshi, we prioritize both performance and safety. Our cable pulling harnesses are manufactured from high-quality materials, including galvanized aircraft-quality wire rope for the legs and durable stainless steel for the connectors. This combination ensures high tensile strength and corrosion resistance. Every harness we manufacture undergoes a rigorous quality control process and is pull-tested to three times its rated load capacity. This provides an ample safety factor, giving you confidence in the tool's performance and reliability on the job site. We ensure each leg is clearly marked with its load capacity.