Durable Nylon Construction: Built to withstand the harsh marine environment, this ladder clamp is constructed from high-quality black nylon, offering exceptional strength and durability. Optimal Size: With dimensions of 3.68" in length, 1.88" in width on the tube insertion end, and 1.94" in width on the clamp end, this clamp is designed to perfectly fit ladders with a tube diameter of 1.5", providing a snug and secure fit. Secure Fastening: The Marine City Black Nylon Ladder Clamp features a robust design that ensures a secure grip on your ladder, preventing any unwanted movement or slippage, even in rough waters. Easy Installation: Designed for hassle-free installation, this clamp can be easily attached to your boat's railings or any suitable mounting surface, allowing for quick and convenient setup. Versatile Compatibility: Whether you're using a boarding ladder, swim ladder, or any other type of marine ladder with a 1.5" tube diameter, this clamp is compatible with a wide range of ladder styles, making it a versatile accessory for any watercraft. Sleek Design: The sleek black finish adds a touch of style to your boat's exterior, enhancing its overall appearance while providing reliable functionality.