The TEN steel tap are made of stainless steel (Inox 304), resistant to acid and salt, leaves no bitter taste to the wine.

The closure case with the valve piston plastic (polyamide), tested and harmless to health, not reacting to contact with the wine and does not emit odors. Opening is very simple: push the lever inside for opening, pulling outside to close. For the closure and opening more simple and precise, slightly turn the lever to the right. To the left the lever unscrew.