Plugs and rubber stoppers are versatile components that are used in many industries. They are essentially used to seal or close openings or to protect them against flow. Industrially, they are used in electrical engineering, chemistry, pharmacy and mechanical engineering. They are used in plumbing, heating and air conditioning systems and electrical installations. The plugs from Würth have a precise fit and offer a long service life thanks to their robust design. This makes them extremely reliable and indispensable in professional applications.