1.The steering wheel knob makes driving much easier by improving your hand control of the car steering wheel with less strength and it looks great . 2.Easy to install- Includes different mounting screws and hex key. 3.Securely fits all steeling wheels up to 1 1/4" thick 4.It Compatible with John Deere TY26583, Kubota 77700-01540, New Holland 73340101 5.It can fit most cars, semi truck, boats, tractors, golf carts, forklifts, and lawnmowers etc.