This tool has a simple structure and convenient plugging. It is an important tool for fire brigade and other emergency rescue departments to handle pipeline leakage accidents. It consists of ten specifications of metal plugging sleeves, rubber pads and professional wrenches. The plugging temperature of this product is -50-120 ℃, the plugging pressure is ≤2MPa, and the internal pressure resistance (medium pressure after repair): ≤20MPa.