This double head button provides a versatile interface for controlling your machines. It is easily installed and replaced on compatible complete pushbutton units and contact blocks via snap-fit assembly. It is clearly distinguishable visually at a distance thanks to clear colors and by touch due to flush and projecting elements, minimizing errors in machine control. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66/IP67/IP69/IP69K, making it ideal for operation in harsh environments.