Protective function and buffer function - Excessive force not damage the bottle mouth and bottle cap. Under the action of protection, the sealing effect is still very good. Standard pressure connectors - This pressure connector is suitable for the standard aluminum-plastic flip cover (as shown in the figure) and small bottle. Product applications are very wide. When using this pressure -connector to seal a bottle, rubber plugs are necessary. Very strong, long use time - this pressure connector is made of High-quality materials, with long service life. There are anti -sliding covers on the handle, so when you sweat on your hand, the pressure connector is not easy to fall. Exquisite appearance -this crusher is hand -polished. Not only does it look good, but it also feels good to use. It is treated with equipment and has almost no errors., Weight: 1.46166479706 pounds, Manufacturer: melairo