ANCRA win strap assemblies combine heavy-duty, wear and weather-resistant latex-treated polyester webbing with strong, dependable hardware to meet the demanding conditions of flatbed operations. ANCRA straps meet DOT specifications and are tested for strength and durability. Meets or exceeds WSTDA T-1 recommended standard specifications for synthetic web tie downs 4 in x 30 ft. Win strap with 41766-18 flat hook.