The present invention relates to an angle control bar, comprising: a female link formed with a rotation female unit on the front side, and formed with a first front saw blade and a first rear saw blade on the front and rear sides, respectively； a link ball formed with a saw blade on the curved side formed on the outer side, and having one side of the saw blade in contact with the first front saw blade； and a male link formed with a rotation protrusion on the front side, formed with a second front saw blade and a second rear saw blade on the front and rear sides, respectively, and having the second rear saw blade in contact with the other side of the saw blade.본 발명은 각도 조절대에 관한 것으로, 전방면에 회동암부가 형성되고, 전후방면에 각각 제1전방톱날 및 제1후방톱날이 형성되는 암링크, 외측면에 형성되는 곡면에 톱날을 형성하고, 톱날의 일측이 제1전방톱날에 맞닿는 링크볼, 및 전방면에 회동돌기이 형성되고, 전후방면에 각각 제2전방톱날 및 제2후방톱날을 형성하며, 제2후발톱날이 톱날의 다른 측에 맞닿는 수링크를 포함하는 각도 조절대를 제공한다.
