Abstract: A lever assembly and hair clipper with a lever assembly is provided. The lever assembly may include a shaft having a plurality of dimples arranged around a periphery thereof, a pin with an apex, the apex being shaped to mate with the dimples of the shaft, and a spring mounted on the pin. Moreover, the device may include a lever having a head section and an arm section; the head section of the lever including a cam protrusion, and a first cavity shaped to receive the shaft and defining an axis of rotation of the lever; and the arm section including a cavity that receives the pin and the spring, and aligns the apex of the pin with the dimples of the shaft.