Walker arm rest attachment knobs are crucial for those who need to replace or upgrade their armrests. These M6 threaded star knobs with rubber offer a secure and comfortable grip, making it easy to adjust the armrests to the desired height. They are simple to install and provide a reliable solution for maintaining the comfort and functionality of your walker. for seniors and individuals with mobility challenges, these knobs are a valuable addition to any walker. Features -Color:Black -Material:Plastic,Metal -Size: 8.00X3.00X3.00cm/3.14X1.18X1.18in -Screw standard: M6 -Sturdy build: crafted from robust plastic and metal materials, ensuring durability and reliability for walker part replacements -Easy to replace: designed for easy replacement of walker components, making maintenance simple and convenient for users -No tools needed: the hand allows for quick installation, streamlining the replacement process -Stable and secure: features a rubber to enhance stability and prevent the knob from loosening during use -Broad compatibility: suitable for m6 specification walkers, making it compatible with numerous brands and models Package list: 2 Replacement Knobs 2 Shape Bolt 2 Washer