The roller walker knobs maintain 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 adjustment, ensuring that your walker remains stable. Compatible with seniors and individuals with mobility issues, these knobs are an accessory for any walker.FeaturesColor: BlackMaterial: Plastic, MetalSize: 8.00X3.00X3.00cm/3.14X1.18X1.18inScrew standard: M6Material: made from plastic and metal materials, ensuring longlasting reliability and performanceReplacement: designed to replace walker parts, allowing users to perform maintenance and replacementsInstallation: features a hand tightening design that requires no additional tools, making installation quickRubber pad design: equipped with a rubber pad to enhance stability and prevent loosening during useUse: compatible with m6 specification walkers, making it compatible with a wide range of brands and modelsPackage list: 2 x Walker Knobs2 x T Shape Bolt2 x Metal Washer