A lever handle is a type of operating mechanism that uses a lever - a rigid bar pivoted at a fixed point called a fulcrum - to transmit force or motion. Lever handles are most commonly associated with doors, where they replace traditional round knobs, instead of twisting your wrist to turn a knob, you simply press down or lift up on the lever to release a latch or lock. This straightforward motion has made lever handles a staple in modern architecture and design.