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. Protective function and buffer function - Excessive force will not damage the bottle mouth and bottle cap. Under the action of protection, the sealing effect is still very good. Exquisite appearance -this crusher is hand -polished. Not only does it look good, but it also feels good to use. It is treated with precision equipment and has almost no errors. size: 20mm Material: Metal colour: Blue Package Contents: 1 x Crimper 100 x Flip Caps 100 x Rubber Stoppers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.