ALPS´ 9mm series RK09 Rotary Potentiometer family is composed of metal shaft snap-in and multi-ganged potentiometers, as well as insulated shaft with snap-in or long-life potentiometers. The versatile ALPS series RK09 rotary potentiometer can be used in a range of applications, including audio equipment products, automobiles, and household appliances, as well as applications requiring a rotational life of 1 million cycles, such as game and electronic toy controllers.