[Outstanding Performance] - Our steering wheel knob rotates 360 degrees smoothly, providing full control for enhanced safety and stability. It offers a labor-saving operation and is ideal for vessels requiring quick turning maneuvers. [Premium Materials] - The steering wheel maneuvering knob is constructed from 316 stainless steel, offering rust resistance, durability, and protection against corrosion, helping to extend service life. [Widely Used] - This marine steering spinner fits most oval steering wheel tubes with rim diameters ranging from 0.75 inch to 0.98 inch. For round steering wheels, the lower piece can be slightly adjusted using two pairs of pliers. [Professional Design] - Ergonomically designed to fit the natural grip of the palm, the soft spheroid shape ensures comfortable handling and strong grip during operation. The bearing-equipped knob enables quick and easy steering control. [Easy to Install] - Includes 1 marine boat steering wheel knob and 1 wrench. The wrench is used to secure the lock nut and tightly fasten the knob to the steering wheel for quick and secure installation. Color: Silver Material: 316 Stainless Steel Package Contents: 1 x Marine Boat Steering Wheel Knob, 1 x Wrench Note: Other items are not included. Lighting and display differences may result in slight color variations between the product and the image. Measurement may vary by +/- 1-3 cm.