Dewalt’s PEX expander is the fastest on the market with countless uses in plumbing and other mechanical applications. The Dewalt PEX expander is capable of making clean cuts that don’t make you wait to get the job done. It is made in the USA with safety in mind — there’s no need to worry about exposed blades, sparks, or flying debris when you use it. It’s designed with safety, productivity and innovation in mind.