[Outstanding Performance] - Our steering wheel knob rotates 360 degrees smoothly, providing full control for enhanced safety and stability. This design helps make operation more comfortable and less labor-intensive, 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 shaped to fit the natural grip of the hand, the smooth spheroid design ensures a secure hold 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 tighten the locking nut for secure attachment to the steering wheel, allowing for fast and simple 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 cause slight color variations between the product and the image. Measurement may vary by up to +/- 1-3 cm.