Usage Tips:Description The roller walker replacement knobs are essential for maintaining the functionality of your walker. These star-shaped screw knobs with M6 threads and rubber pads are designed to replace worn-out or broken knobs on your walker. They provide a secure grip and easy adjustment, ensuring that your walker remains stable and safe to use. Ideal for seniors and individuals with mobility issues, these knobs are a must-have accessory for any walker. Features -Color:Black-Material:Plastic,Metal-Size: 8.00X3.00X3.00cm/3.14X1.18X1.18in -Screw standard: M6-Material: made from durable plastic and metal materials, ensuring longlasting reliability and performance-Easy replacement: designed to replace walker parts effortlessly, allowing users to perform maintenance and replacements with ease-Simple installation: features a hand tightening design that requires no additional tools, making installation quick and convenient-Rubber pad design: equipped with a rubber pad to enhance stability and prevent loosening during use-Versatile use: suitable for m6 specification walkers, making it compatible with a wide range of brands and modelsPackage list: 2 x Walker Replacement Knobs2 x T Shape Bolt2 x Metal Washer