- Our Lasso Strap, attached with D ring on one end comes with Black Edged and its rated Heavy Duty Strength. Polyester webbing that is treated for UV, abrasion resistance and will not stretch over time. D ring is Zinc Plated for weather protection. The complete strap has a 10,000lbs assembly breaking strength and rated at 3,335lbs Working Load Limit. - Note: Never use as lifting application and Do Not exceed working load limit.