Features: The boats Seat swivels features 360 degree bearing rotation and corrosions resistant coating, ensuring smooth repositioning and marine environment durability with its mounting hole pattern. Crafted from stainless steel, this swivels brackets includes adaptables post installation set for marine seating configurations. Ideal for boats owners, anglers, and marine enthusiasts seek seat on fishing vessels, pontoons, or offshores watercrafts. Enhances cockpits accessibility during docking maneuvers or leisures cruising, allowing effortlessly seat adjustments for comfort. Engineered with marine hardware, this swivels base withstands saltwater exposure while maintaining precise 3 degree tilts control for long time stability. Specifications: Color: Black Materials: Stainless Steel Size: 17x17cm/6.69x6.69inch Package Includes: 1pc Seat Rotation Brackets note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.