note: Before buying, make sure that the water pipe leak repair clamps are suitable for your water pipe size to avoid mismatch. For example, if your pipe outer diameter is 25mm, then the repair clamp inner diameter of 24mm-26mm/0.95-1inch is very suitable. quality material: Pipe repair clamps are made of high quality PE material, anti-impact, anti-cracking, aging-, have good economy, can well plug the water leaking out. You can use it without worry. Pipe repairer cilp: For plastic metal pipe leakage repair for burst or punctured Pipes, Can be also used for pipe connection, it is reusable. Pipe repairer is suitable for cast iron pipe, cement pipe, PVC pipe, PE pipe, etc. tightly sealed: Absolutely stopped the leak. Easy to install. Pipe repair fixture is composed of 2 Water Pipe Repair Clamps, 2 rubber liners for sealing and bolts. Compared with other emergency pipe repair kits, it has better sealing effect and both sides are connected to make the pressure more even., Manufacturer: Akfldms