Description These replacement parts feature star-shaped hand knobs and locking adjustment wheels, designed to provide a secure and comfortable grip. The ergonomic design ensures ease of use, making it simple to adjust and lock the walker components. Ideal for enhancing the functionality and safety of mobility aids. Features - Color: Black - Material: Plastic, Galvanized Carbon Steel - Size: 5.50 x 2.00 x 0.50 cm / 2.16 x 0.79 x 0.20 in - Hole diameter: 5.85 mm - Thread: M6 - Thoughtful design: The walker replacement parts feature a rounded shape with no sharp edges, providing safety and comfort - Easy to grip: Easily grasp, assemble, and use the walker knobs without hassle - Tool-free assembly: Assemble the walker parts by hand without the need for tools - Durable materials: Made from sturdy materials, these parts are built to last and ensure reliability - Universal compatibility: Designed to be compatible with most brands of walkers and rollators Package list 2 x Walker replacement parts