Detailed Product Description Lifting BeltPlease use the correct methord. Do not knor or connect the sling by knoting.1) Light weight,just 20%compare with the same working load chain .2) With special labels and differentiate the working load with the international standard color3) Safety factor from 4:1 to 8:1 4) Little elastity,<3%under working load, <10% under breaking load5) Temperature: - ...