Description: 【Heavy Duty Rubber Construction】: Crafted from premium, reinforced rubber, this Inflatable Pipe Plug is designed to withstand high pressure and resist abrasion and wear 【Effortless Inflation & Sealing】: The inflatable design of the Pipe Pressure Test Plug allows for easy insertion. Simply inflate to create a tight, secure seal for effective water blocking or pressure testing 【Versatile Pipeline Applications】: The Plumbing Test Ball is ideal for leak testing, pipeline maintenance, and temporarily blocking flow in municipal sewage lines, residential drains, and other pipe systems requiring a temporary but secure stop 【Reliable Blockage】: The Sewer Test Plug provides a dependable, airtight seal to prevent water leakage and backflow. It effectively isolates sections of a pipeline, allowing for efficient and contained repair or inspection without messy spills 【Complete Set】: Each package includes a water blocking airbag, an extension tube, two clamps, a vacuum nozzle and a key. An essential tool for plumbers, contractors, and maintenance crews, etc Specification: Material: Rubber Size Chart:12 cmx4.5 cm/4.72 inchx1.77 inch Package Includes: 1 Water Blocking Airbag 1 Extension Tube 2 Clamps 1 Vacuum Nozzle 1 Key Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.