Works as well as more expensive doorknob fevers 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 *