Lengthen the load-bearing ratio to prevent friction with the wall during exercise and allow the exercise to be free. The big triangle support is as stable as Mount Tai. The thick triangle stabilizing tube is doubled and stable. Waterproof foam handle, comfortable grip, thick and wear-resistant, waterproof and not easy to slip. The fixed base plate is thickened. The fixed base plate is made of one-piece welded thick steel pipe for stable support. The screws are fixed and stable. The screws are deeply nailed into the wall, increasing the grip of the wall by a single pole.