To provide a fixture of a rod body capable of easily and certainly fastening the rod body of a pipe lattice, a shelf, a handrail, etc., in the horizontal and vertical directions.

A fixture body 1 is constituted of a rotor 2 and a screw shaft body 3, a step part 6 is engraved on an outer periphery on an end part and an inner screw 7 is engraved inside on the rotor 2, a plural number of relative insertion projections 10 are projectively provided on an end part on the screw shaft body 3, and an outer screw 9 is formed on an outer periphery.