Formed and stamped 304 stainless. Has an internal wire that prevents the spring from being over-extended during normal use. Not recommended for applications where hatch will scoop wind while boat is underway and over-extend spring.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov