A PEX-AL-PEX or PEX pipe U-shape crimper with 16 mm, 20 mm, 25 mm, and 32 mm pipe size compatibility is a versatile tool for crimping fittings onto various pex pipe sizes. It ensures even pressure for secure, leak-proof connections and is ideal for plumbing, radiant heating, gas systems every where you ca use pec pipe. The tool’s design allows for easy handling and efficient use across multiple pipe diameters.