Need smoother steering control on your boat, tractor, or even a custom car? This MARINE CITY steering wheel knob is built tough with 316-grade stainless steel, offering maximum corrosion resistance for harsh marine environments. The spinning ball bearing design lets the knob rotate freely, reducing wrist strain and making tight turns easier. It has a glossy polished finish that looks sharp and is easy to clean. The knob fits steering wheel rims sized 3/4\ x 1\, with a grip diameter of 2 inches for a comfortable hold. The bolt is 5/16\ in diameter and threads about 1-5/8\ into the handle, ensuring a secure installation. It's versatile enough for boats, yachts, kayaks, lawn mowers, trucks, and more. Installation is straightforward—just align it on your steering wheel and tighten the bolt. Whether you're docking a boat, maneuvering in tight spaces, or just want added convenience, this knob is a durable, functional upgrade. Comes as a single knob with a protective cap. A must-have for any captain or driver!