Stainless Steel Stud Mount Handrail - 24" The Stud Mounted Hand Rail features integral 5/16"-18 threaded studs and installs with two 5/16"-18 nuts (not included). Constructed of formed 304 stainless steel for corrosion resistance and durability. Designed to provide a sleek, smooth handrail transition to the mounting surface your boat. Functional and attractive, with no visible mounting hardware.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.