ShurLok SL-170  Lock Box Lever Grip For Key Storage Combination Lock Box, Black Works for ShurLok Lock Boxes and all mechanical other lock boxes and attaches to most lever style door handles with its simple yet intuitive design Secures tightly to door levers and will not slide around or slide off of your door handle providing increased safety and stability to your lockbox Will work with most styles of door levers and knobs but please note that it will not work with commercial grade door levers as they are too thick Hinged design makes putting the SL-170 over your door lever very easy  note that the best way to install the ShurLok on the lever grip is from the right side To learn more about ShurLok products or to view other accessories, be sure to visit the ShurLok Amazon Brand Page at www.amazon.com/shurlok Works on all mechanical lock boxes Will attach to most lever style door handles Will not slide off