Reversing (polarity) switch for changing direction of permanent magnet electrical motors. Silver contacts., 15/32" -32 thread mounting stem. Fits panels up to 1/4" (6.4mm) thick. Includes mounting hardware: black knurled face nut, hex nut. keyway is in the down position. 1" (25.4mm) handle, black plastic, matte finish. 25A at 12V DC. Terminals: Brass .250 quick connect blade. Up: Mom On, Center: Off, Down, Mom On. Four blade terminals.