Fisher hardware is manufactured with a standardization of internal mechanisms. All chrome plating is triple plated and includes copper, nickel and chrome for extra durability. To uphold their high standards, each fixture is rigorously tested in their modern in-house testing center, as well as, in actual field situations and under extreme conditions. Every detail is thoroughly checked and re-checked. Before their fixtures are sold to the customer, all of their products must pass every test to their unwavering standards.