To provide a fixing device used for fixing tension wires of a steel wire, a string, a rope, a tape and the like to a support in agriculture and forestry, and it can be reliably attached without being easily detached Provide equipment.SOLUTION: The fixing tool 1 is provided sequentially with a gap in the axial direction of the support column 2, and first and second fixing fitting engagement with the outer peripheral surface of the support column on the side of the support column 2 not having the tension line 3 , Third strut engaging portions 4, 5, and 6, and first and second strut engaging portions 4, 5 and protrudes to the side where the tension line 3 of the strut 2 is present and is between the strut 2 And a pair of tension wire penetrating portions 7 through which the tension wire 3 penetrates a gap Y formed in the support column 2 so that the fixing tool 1 is fitted and supported on the side without the tension wire 3 of the support column 2 .(FIG.【課題】農業や林業において、支柱に鋼線、紐、ロープ、テープ等の張り線を固定するために用いられる固定具であって、簡単に外れたりすることがなく確実に取付けることができる固定具を提供する。【解決手段】固定具1は、支柱2の軸心方向に間隙を存して順次設けられ、かつ支柱2の張り線3がない側の支柱外周面に外嵌係合する第一、第二、第三の支柱係合部4、5、6と、第一、第二支柱係合部4、5の間に設けられ、支柱2の張り線3がある側に突出して支柱2との間に形成される隙間Yを張り線3が貫通する一対の張り線貫通部7とを備えて構成して、固定具1を、支柱2の張り線3がない側で嵌合支持するようにする。【選択図】図1