PURPOSE: To surely and easily fix a tension material made of FRP without injuring the same, in a fixing tool constituted of a conical wedge body and a sleeve for fixing the tension material made of FRP at site.

CONSTITUTION: A conical wedge body 10 is divided into many round slice pieces 5, the each round slice piece 5 is formed into a recessed shape conforming to the surface shape of a tension material made of FRP on its inner circumferential face, provided with a slit 11 from the outer circumferential face to the inner circumferential face, and provided with a notch 12 on the outer circumferential face on the opposite side of the slit. The respective round slice pieces are respectiverly fitted to the outer surface of the tension material made of FRP so as to fix them in a sleeve.