The strength of Ancra Ratchet Strap Assemblies reflects the strength of Ancras reputation in the Transportation Industry. Our heavy-duty, weather resistant straps and solid, reliable hardware have met the demands of the road for more tha 40 years. Our straps are stringently tested for strength and durability in order to bear the Ancra name. 4″ Ratchet Buckle Straps Using 43797-12 Webbing with Ratchet Buckle 49349-10.