For a reliable and secure connection of your compressed air line. Closing plug for hose connections with push-in connection and a diameter of 4 mm, 6 mm, 8 mm, 10 mm or 12 mm, operating temperature from -20 C to 70 C, operating pressure from 0 to 12 bar, hose connection 4 mm, 6 mm, 8 mm, 10 mm or 12 mm. (external), suitable for: oiled and oil-free compressed air, neutral gases and water. Reliable - Set of 3 pneumatic plugs for hose connection or connection fittings with a diameter of your choice. Top quality for the safe operation of your compressed air system. Versatile use: whether for industry, workshop or hobby, with compressed air accessories from the brand you are always on the safe side. Compressed air connections, hose connection, screw connection. Operating temperature: 0 - 70 C, operating pressure: 0 - 12 bar, suitable for: oiled and unoiled compressed air, neutral gas and water. Quantity delivered: 5 pieces Product color: black Product size: 4 mm, 6 mm, 8 mm, 10 mm, 12 mm Note: Manual measurement, please allow an error of 1-3 cm.