Swivl-Eze Seat Swivel 7" Black with 3° TiltSwivl-Eze has the boating experience to deliver all the kinds of accessories you want.Features:360° ball-bearing seat swivel (requires weight or pressure to turn)5-1/4" universal mounting hole patternTilt Angle: 0°Black powder coat finish The Attwood Swivl-Eze Seat Swivel you've mentioned is designed for boat seats and is used to provide a swiveling function for seating on boats. Here are some details about this product: Size: This seat swivel has a diameter of 7 inches, which determines the size of the swivel base. The 7-inch size is a standard dimension for many boat seat swivels. Color: The swivel is black in color. This color is often chosen for its neutral and versatile appearance, allowing it to blend in well with various boat seat designs. Tilt: The swivel is described as having a 3-degree tilt. This tilt can be beneficial for finding a comfortable seating angle on a boat and may help with ergonomics. Function: Boat seat swivels like this one are designed to allow the seat to rotate, providing ease of movement and access to different areas of the boat. They are commonly used on fishing boats, pleasure boats, and other types of watercraft. Material: The specific material of the swivel can vary, but it is typically constructed from durable materials suitable for marine environments, such as corrosion-resistant metals and rugged plastics. Boat seat swivels are essential accessories for boat seating arrangements, as they enhance comfort and convenience. They allow passengers to face different directions while seated and make it easier to access various areas of the boat.