3 mm Thick Hot-Dip Galvanized Steel: Built to withstand corrosion, even when exposed to seawater for extended periods. This durable material of our boat winch stand ensures long-lasting use without rusting, providing reliable performance in harsh marine conditions U-Bolt Included: Compatible with 2-3'' W X 3-4'' H trailer tongues, the U-bolt quickly locks into place for a secure fit. The trailer winch stand is easy to install and ensures the trailer stays stable without any wobbling during transport 5.1-Inch Large Roller + Security Rope Hook: The roller system of the boat trailer winch stand minimizes friction between the cable and the boat. The bottom security hook provides an additional anchor point for the boat, avoiding accidental detachment and ensuring a secure fit

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