Durability & Ergonomic: Made with with an ergonomic grip, these handles ensures comfortable operations, slip resistant use, and long lasted durability for daily curtain adjustments Enhanced Weight Effect: Designed to add weight to curtains, these accessories significantly improve drape and create a more three dimensional, aesthetically great appearance Easy & Installation: Featuring a user friendly design, these handles allow effortless installation and precise control over curtain opening / closing without complex tools Universals Compatibility: Suitable for various curtain systems including corded, beaded chain, and pull string types, these curtain weight adjusters work seamlessly with different setups to meet user needs Easy Installation & Complete Set: Blind cord tensioner comes with all necessary mounting hardware ( screws and wall plugs) Simply position, drill, insert the plug, screw in the tensioner, and tighten