These SZHSYJY replacement knobs are provided as a set of two, intended for rollator walkers. They feature a universal design to fit most standard models and come in black. The knobs are in new condition, ensuring they are ready for immediate use. Free shipping is available, which can enhance the overall value of your order. These knobs are practical for individuals or caregivers who need to replace worn or broken parts on mobility aids, helping to maintain the functionality of rollator walkers for daily activities. Before purchasing, it is advisable to verify compatibility with your specific walker model. Check the listing for full details on specifications and dimensions. SZHSYJY 2 Set Rollator Walker Replacement knobs,Universal,Replacement Black. Color: black, Condition: New. Listed at 14.09 USD. 【Easy to install】The plum-blossom knob is easy to grasp, easy to install and disassemble, and does not need any tools. We PROMISE we can make you happy if you give us a fair chance.