Wine opener air pressure. Pumps up the cork Red one size 20CM Push the needle all the way in, pump a few times and the cork is out! The screwless wine opener with compressed air control will revolutionize your bottle handling. The strong Teflon needle is inserted into the cork and then you only need to lower the protective ring over the cork and pump a couple of times with the handle. Then you stand there with the cork in your hand, without having to spin and turn the tool. Easy Fast Hassle Free. Push the needle all the way in, pump a few times and the cork is out! The screwless wine opener with compressed air control will revolutionize your bottle handling. The strong Teflon needle is inserted into the cork and then you only need to lower the protective ring over the cork and pump a couple of times with the handle. Then you stand there with the cork in your hand, without having to spin and turn the tool. Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object receivedDelivery quantity: (according to the main picture)"