For use in a variety of applications; appliances, automotive, marine, toys, tools, mechanical devices, contraptions and more Spring dimensions: 5/8 inch outside diameter, 29/64 inch inside diameter, 8-1/2 inch length, 0.08 inch wire diameter, 25.6 pounds maximum safe load, 5.2 inch maximum deflection and come in a beautiful, corrosion resistant, nickel plated finish allowing them to be used both indoors and out Constructed of durable spring steel (tempered steel wire) to provide optimum retraction when stretched and designed for use with a variety of household and professional applications Things to take note of this item: the shape of each end of the spring, how far will it stretch (deflection), length of the spring measured from the ends of the hooks and how much weight can it support Please refer to the line art drawing for dimensions and compare with your original item before purchasing (Not universal)