Metal from which all this Western beauty is made — our. So do not not trust our manufacturers. At least some valves, in our country, have been working since the age of 35. After all, really, not all the gold that shines. Maybe beauty and requires sacrifice, but I think that you should not again check the tightness of your sexes, and even more so, understanding and nerves of your neighbors. When, due to the breakdown of the ball distributor, you will have to change the entire atmosphere in the apartment, then you will definitely think about, and what the hell I bought this brake pen, it would be better to take the old Soviet mixer tested for centuries! And I assure you, you, for many years, do not remember him, because he will simply do his job in silence, and without any European whims.