This heavy-duty 15-1/2 inch safety chain is an essential component for your boat trailer setup. Crafted from 3/16-inch thick zinc-plated steel, this robust chain provides reliable security during towing operations. The chain features sturdy hooks with a 3/8-inch diameter, offering dependable attachment points for your towing needs. Perfect for marine applications, this safety chain is designed to withstand the demanding conditions of boat transportation. The zinc plating helps protect against rust and corrosion, making it suitable for use in marine environments. The chain's substantial construction ensures it can handle the rigors of trailering while meeting safety requirements. Whether you're hauling your boat to the lake or storing your trailer, this safety chain delivers the strength and durability needed for secure towing operations. Always verify proper installation and weight ratings before use to ensure safe towing practices.