Quick Release Steering Wheel Spinner Truckers Knob "Sport" Black Resin Spiral Grip RECENT PRICE INCREASE: Due to Our Supplier Limited Availability Fits Soft Surface Steering Wheels Up To 1-1/4 inches Thick Not Recommended for Hard Surface Steering Wheels or Heavy Equip. - See "Classic" Model Use with Caution / For Off-Road Use or Where Legally Permitted...!!! Quick Release Steering Knob - Ideal for Rigs - Pick up Trucks