Works As Well As More Expensive Doorknob Levers And Is Easier To Install For Left Or Right Hand Use 5 Extension Handle Converts A Doorknob Into A Door Lever Providing Extra Leverage For People With Limited Hand Function The Extender Fits Over A Standard Doorknob And Allows Complete Access To Keyholes A Cord Or String Can Be Inserted Through The Unique Handle Slot Making Doorknobs Easier To Access For People With Limited Reach Fits Round Doorknobs From 2 1/8 - 2 3/8 Diamter Can Be Installed Using Only A Screwdriver - No Special Tools Required Easy To Clean