One aspect of the present disclosure is a medical treatment tool including a first arm having a first end and a second end and a second arm having a first end and a second end, wherein the first end of the first arm and the first end of the second arm are coupled such that a distance between the second end of the first arm and the second end of the second arm is adjustable. Each of the first arm and the second arm comprises: a conductor extending from the first end to the second end and exposed at the second end； a support containing a composite material made of a resin and a reinforcing material as a main component and extending along the conductor； and a cover covering the conductor and the support.本發明之一實施例包括具有第一端及第二端的第一臂及具有第一端及第二端的第二臂的醫療用處置工具，其中第一臂的第一端與第二臂的第一端耦接，使得第一臂的第二端與第二臂的第二端之間的距離為可調整。第一臂及第二臂各包括：自第一端延伸至第二端且在第二端被露出的導體、包含由樹脂及強化材料形成的複合材料作為主要成分且沿導體延伸的支撐體以及覆蓋導體和支撐體的蓋體。
