- Square steel rod - Square profile enables simple and fast installation - Saves time and effort - Functions as the transmission rod for the locking handle - Lock handle square spindle - Split spindle design meets the needs of different door locks - Ensures compatibility and user friendliness - Suitable as door handle parts - Locking handle transmission spindle - Can accommodate a fingerprint lock, providing enhanced security - Split spindle construction offers improved protection - Part of door handle accessories - Door handle split rod - Practical design, stable and firm - Simple structure, safe and practical - Mechanical handle locking with split rod Typical applications - Upgrading residential or commercial doors to improve installation speed and handle compatibility - Retrofitting doors to support fingerprint lock systems and enhanced security - Replacing worn or incompatible door handle transmission components in existing hardware sets