This clamp-on boat seat swivel is a must-have accessory for any boater looking to add a touch of convenience and comfort to their vessel. Designed by Attwood, a trusted brand in the marine industry, this swivel is perfect for attaching to the front or rear of any boat seat. The black color and sleek design of this swivel make it a stylish addition to any boat. Its dimensions of L 15 x W 9.25 x H 7 inches and weight of 8.7 lbs ensure that it is easy to install and use. With its sturdy construction and high-quality materials, this clamp-on boat seat swivel is sure to provide you with a comfortable and secure seating experience on your next boating adventure.