360-degree rotation with four locking points at 0, 90, 180, and 270 degrees; rotates clockwise and counterclockwise and locks securely at each point. Load capacity: 130 kg. Compatible with any model that requires a modified base, such as RVs, boats, and large passenger cars. Convenience design: adds a seat swivel function to face different directions, letting you enjoy the surrounding scenery and making travel more comfortable and convenient. Material and build: boat seat swivel base is made from sturdy 3.0 mm cold-rolled steel, rustproof and designed to last on the water for many years. Use scenarios: - On a boat, rotate the seat to face the deck or cockpit, improving visibility and accessibility. - In an RV or camper, create a flexible seating area that can face living space or exterior views. - In a large passenger car or SUV, enable easier entry/exit and turn to share the view with others.