Mechanical Plumbing Test Plug for 3 in and 3-1/2 in Pipe Testingand Temporary Sealing, Gripper Plug 2 Pack

["Scope of Application: Gripper Mechanical Test Plug for sealing or pressure testing of 3-inch and 3-1/2 inch pipelines, compatible with common PVC, ABS, and cast iron pipes in residential and commercial pipeline systems","Practicality: End Pipe Gripper Plug achieves mechanical sealing at the end of the pipeline, which can effectively prevent gas and water leakage, as well as prevent foreign objects from falling into the pipeline and causing blockage","Quality Material: MechanicalExpansion Test Plugs is made of high-quality ABS material with high-strength rubber O-ring, which is not easy to rust and suitable for long-term use. It is also equipped with a large zinc alloy butterfly nut for easy tightening","Easy Installation: End-of-Pipe Gripper Plug adopts a large zinc alloy butterfly nut knob design, which is convenient for quick tightening and disassembly by hand. When tightening the bolt, it will expand, forming a safe and leak proof seal inside the pipeline, which can effectively maintain the pipeline","Thank You for Choosing,We Prioritize Customer Satisfaction. If You Encounter Any Issues While Shopping,Please Contact Us Immediately,And We Will Give You A Satisfactory Answer"]