Enhance your control and signaling systems with the Lovato Selector Knob. This durable plastic knob offers reliable operation for your equipment, designed for easy integration into your control panels. Its robust construction ensures long-lasting performance in various industrial applications.The Lovato Selector Knob is a plastic accessory designed for control and signaling applications. It features a maintained operation and a black appearance. The knob requires a 22mm hole diameter for installation and is not illuminated. It is designed as an accessory for pushbuttons and selector switches.