Pipestation Squeeze Off Tool 0-32mm Opening | Plumbing Tools for Isolating Mains MDPE Plastic Pipe or Rubber Pipe | Plumbers Hand Tools for Water Isolation | Clamping Tool Stops Water FlowInstantly Isolates Water Pipes This Hand Tool Can Be Used To Temporarily Prevent Water Flow And Isolate Mdpe, Polybutylene And Pex Pipes Or Rubber Pipes Up To 32mm Without Damaging Them. This Is Not To Be Used With Copper Or Any Other Metal Pipe. Suitable For With A Small Adaptation (See The Image For Details) Can Be Suitable For Use With With Speedfit Hep20 Polypipe 10mm 15mm 22mm. Mechanical Operation There Is No Power Required To Use This Tool.