... : single layer, double layer, four layer 2.Strength: Flat webbing sling-1T-30T round-1T-300T webbing strapGeneral instruction1.It is ... performance.Its weight equals to 25% of similar metallic sling. 2.The sling is very easy to use, handling and storage. 3 ... , double layer, four layer3.Strength: Flat webbing sling 1T-30T round webbing sling 1T-300T4.Sling width: 25mm-150mm5.Working temperature: -40-100 ...