A PEX-AL-PEX pipe U-shape crimper with 16 mm and 20 mm heads including some collapsible handles is to easy crimp 16mm and 20mm fittings onto PEX-AL-PEX pipes. The interchangeable heads fit the two pipe sizes,16mm and 20mm pipe and the collapsible handles allow for easy access to crimp the fittings onto the pipe in tight stops while ensuring secure connections in plumbing, heating and any other industry using Pex l Pex pipe systems.