Liqui moly 1528 door lock treatment spray 50ml liqui moly 1528 p align left this door lock treatment spray 50ml from liqui moly was designed for the lubrication and care of integral lock barrels and ignition locks by using this spray moving parts will always operate smoothly and frozen locks hinges and and mechanical side mirrors will be de iced p liqui moly 1528 door lock treatment spray 50ml