mechanical pipe crimping tool, press fitting clamping tools, for crimping pex pipe, rifeng pipe, poly pipes and fittings. manual hand press tube ... clamp, press fitting tools, for crimping pex pipe, rifeng pipe, poly pipe, pressing press fitting tools.Standard mould: 16mm , 20mm , ... to press different sizes of pipe.No need to change tool, only change deifference sizes jaws is ok for compression pipe ...