This Attwood Utility Snap Hook will reliably help secure lines and loads and it features corrosion-resistant construction for a long service life. This heavy-duty Snap Hook has a spring-loaded closure, and it is rated for a maximum safe load of 2,500 pounds. It features zinc-plated steel construction that resists corrosion. It is 4 In. long and has a 5/8-In. ring diameter. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing of the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.