1. Product material: The marine trailer winch is constructed from quality metal, offering strength, wear resistance, durability, and a long service life. 2. Manual winch: This manual winch is a machine equipped with a vertically mounted drum that winds the rope under power drive but does not store it. It is also referred to as a winch with a rotation axis perpendicular to the deck, serving as a selfprotection and traction device for vehicles and vessels. 3. Applicable for: This manual 600 lb winch for trailers is suitable for harsh environments such as snow, swamps, deserts, beaches, and muddy mountain roads. It is ideal for towing items, installing facilities, and more. 4. Nonslip handle: The switchable manual ratchet winch features a nonslip handle for easy pulling, enhanced grip, and a secure locking mechanism. It can move loads of 600 lbs or less, operating stably and efficiently, making it for boat trailers.