Quality Material: Crafted from premium rubber, this inflatable pipe plug offers excellent air tightness, strong elasticity, and high wear resistance, ensuring durability and reliability in various applications Versatile Application: Ideal for emergency repairs of pipelines and sewage systems, it effectively conducts leak detection and water shut-off tests across different pipe diameters, surfaces, and positions Great Performance: This test plug provides enhanced functionality and more intuitive testing results Efficient Operations: The inflatable design allows the plug to expand within the pipe when inflated to the specified pressure. This expansion fills the entire cross section of the pipe, using friction between the plug's surface and the pipe wall to stop leaks efficiently Comprehensive Package: The water shut-off tool and accessories are designed for quick deployment in underground pipeline water management tasks such as drainage control and sediment removal Specification: Material: Rubber Size: 9.8cm x 15cm / 3.86 inch x 5.91 inch Package Includes: 1 Set Inflatable Pipe Plug Note: Please allow slight differences of 12 cm / 0.390.79 inch due to manual measurement