Wide compatibility - Fits a wide range of walking aids from different brands and models, including seat attachments and armrest attachments. Tool-free installation - Hand screw design for quick, tool-free installation and replacement. - Simplifies switching or replacing armrests and adjustment knobs. Easy component replacement - Enables easy replacement of walking aid components with minimal effort. - Suitable for drive wheelchair parts and adjustment knobs for quick maintenance. Durable materials - Constructed from robust plastic and metal for a reliable, long-lasting replacement solution. - Includes a thumb screw with handle for easy hand operation. Use scenarios - In a clinic or care facility, staff can quickly swap armrests or seat attachments between patients without tools, reducing downtime. - At home, a caregiver can replace a worn adjustment knob or drive wheel components to restore function with minimal effort. - When using multiple brands or models, attachments can be transferred or reused across devices, simplifying upgrades or configuration changes.