To provide a fixed side guide of a table roll on a hot-rolling line, with which conveyance is prevented from being impossible by the dash of the nose of a material to be rolled, a method of operating the same and a method of producing hot-rolled metal strips.

About a place where a gap G which is generated in the conveying direction of the material 8 to be rolled between mutual plates which comprise the fixed side guide 1 is wide locally like a circle mark, a detachable plate 1a for filling the gap G is installed along the fixed side guide 1.