[High-Quality Material] The steering wheel knob is made of ABS and aluminum alloy, providing a sturdy, durable, and practical design. The smooth spinning knob helps make steering easier and more comfortable. [Applicable Size] This steering wheel knob measures approximately 7x5.5cm / 2.7x2.16in. It fits steering wheel diameters between 1.3" - 1.6". For smaller diameters, use the included rubber strap for a secure fit. [Easy to Install] The package includes 1 rubber strip, 2 mounting screws, and 1 wrench. Installation takes about 1 minute. The base may not be fully in contact during installation, which is normal. The design is simple, secure, and not prone to falling off. [Driving Assistance] The smooth spinner knob assists with steering control, making driving easier. It is ideal for drivers with limited hand or arm mobility and beneficial for long-distance driving by helping reduce fatigue. [Wide Application] Featuring a larger base than standard spinners, this knob fits most vehicles, including cars, trucks, tractors, lawn mowers, forklifts, and boats. Key Features: 1. Fine Workmanship – Made from ABS and aluminum alloy, the knob is strong, safe, and designed to protect your steering wheel. 2. Universal Fit – Designed for thick steering wheels with diameters of 1.3" - 1.6". Includes a rubber strip for smaller wheels. 3. Effort Reduction – Helps reduce steering effort and improves maneuverability, especially during tight turns. 4. Easy to Handle – Simple to install, remove, and clean. Designed for everyday use and convenience. 5. Stylish Design – Features a sleek, appearance that enhances the interior look of your vehicle. Product Name: Steering Wheel Spinner Knob Specifications: - Material: ABS + Aluminum Alloy - Size: Approximately 7x5.5cm / 2.7x2.16in - Color: Black, Silver (optional) Note: 1. There may be slight color variations between the product images and the actual item. 2. Please allow minor measurement differences due to manual sizing. Package Includes: 1 x Steering Wheel Knob 1 x Rubber Strip 2 x Screws 1 x Wrench