Door Handles Black Builderlock Privacy LeverDoor Handles Black Builderlock Privacy Lever Trio Privacy Lever Round Black is normally used in bathrooms, toilets and powder rooms. Sometimes it is also used on bedroom doors. The door is locked or unlocked from the inside with a turn snib button and there is an emergency release on the outside which will allow the door to be unlocked in case of emergency. The Builderlock Privacy Lever features a privacy function, allowing you to lock the door from