XIANQI Easy Installation:Simple installation, not easy to fall off. Replacement Parts: Fits for cars, trucks, forklifts, mowers, tractors, boats, etc.. Material: Made of ABS and iron material, durable practical to use. Universal Fit for All Vehicles and Steering Wheels: Quick Easy to Install Aftermarket Accessory to Assist with Smooth Turns Compatible with all vehicles including semi trucks, golf carts, lawn mowers, marine boats, side by sides, farm equipment, and many other automotive vehicles Easy To Remove: Easy to operate, remove and easy to clean. Features: Material: Made of ABS and iron material, durable practical to use. General Use: Suitable for tractors and mechanical cars. Easy Installation: Simple installation, not easy to fall off. Easy To Remove: Easy to operate, remove and easy to clean. Replacement Parts: Fits for cars, trucks, forklifts, mowers, tractors, boats, etc.. Specification: Material: ABS+Iron Color: Black Compatible Model: Universal for steering wheel of a tractor, mechanical vehicle, etc.. Package included: 1 xPower Handle Spinner Knob 2 x Screws 1 x Wrench