Description Push to stop and lock, to reset. The switches are structured compactly and operated quickly and gently. For emergency stop in industry with the conspicuous red mushroom cap. Can be widely used to control the electromagnetic starter, contactor, relay and other automatic control electric circuits. Features - Color: Assorted color. - Material: Plastic, metal. - Size: About 8x4.3x4cm/ 3.14x1.69x1.57 inch. - The switches are structured compactly and operated quickly and gently. - For emergency stop in industry with the conspicuous red mushroom cap. - Made of material, durable and practical. It has a long service life. - Easy installation. Simply the stock knobs and plug these new ones into the slot. - A essential tool for your current system, protect your safety.Package listing: 1 x button tool