Venetian Blinds Quad Modulator Set Durable construction: Crafted from sturdy plastic and metal materials to deliver lasting performance and reliable operation for window treatment needs. Easy replacement and upgrade: Includes two Dshaped gear connectors that enable easy replacement or upgrade of existing blind mechanisms, making it suitable for a variety of styles and preferences. Size aware: For an accurate fit, consult the provided size chart before to ensure compatibility with your blinds. Effortless installation: Designed with ease of installation in mind, these mechanisms allow for a quick installation process, making upgrades or repairs to your blinds straightforward. Key benefits: Restores smooth tilt and raise/lower operation; durable materials provide long life; broad compatibility with different Venetian blind styles. Use scenarios: Home living room: worn gears to restore smooth tilt and reliable operation of your Venetian blinds. Office or workspace: Upgrade older blinds to improve reliability and reduce maintenance downtime. Rental property or renovations: Quick parts replacement to ensure consistent operation across units.