Poweka Gas Fuel Switch Valve Petcock for ETQ Harbor Freight & Chicago Electric China-Made Portable Gasoline Generator For ETQ, Harbor Freight & Chicago Electric Portable Gasoline Generators Fit China-Made Portable Gasoline Generators Thread Size: M16 X 1.5mm (Thread Size about 5/8 in, Thread Pitch about 1/16 in) Hex Cap Size: 22mm (about 7/8 in) Diameter of Fuel Outlet Pipe: M6 MM (about 15/64 in)