- Reliable split spindle replacement with a square shaft for stable, firm door handle operation. Simple structure gives safe and practical performance and easy installation. - Split spindle rod with fingerprint lock option provides enhanced protection and controlled access where biometric features are desired, improving security without sacrificing compatibility. - Door handle accessories designed to meet the requirements of different door locks, ensuring broad compatibility and ease of use across various brands and styles. - Versatile door handle parts optimized for use with different locks, offering flexibility and comfort as a replacement for split rods. - Use scenarios: - Replace a worn split spindle on an interior door to restore smooth handle function and reliable engagement. - Upgrade an entry door by adding a fingerprint lock-capable split spindle for improved security and access control. - Retrofit a shared office door that uses different lock brands, using a single spindle replacement to maintain compatibility and ease of use. - Key attributes: function-focused design, compatibility with multiple locks, square shaft for alignment, and options with or without fingerprint lock for enhanced performance.