Metal profiles made of steel, iron, nickel, titanium and other metals and their alloys; Metal thread adapters for use with hydraulic and pneumatic systems; Metal couplings for use with hydraulic and pneumatic systems; Metal hardware, namely, washers; Valves of metal other than parts of machines including those from alloy steel and titanium; Junctions of metal for pipes including those from alloy steel and titanium; Metal pipes for liquid and gas transfer; Metal hoses for plumbing use; Metal f...