Our M18™ ProPEX® expansion tool features an auto-rotating head for convenient one-handed use. A D-handle design with integrated magnesium frame provides you with maximum jobsite durability. The pex expansion tool has a quick cam mechanism for continuous expansion for 3/8 in. to 1-1/2 in. ProPEX® connections. The M18™ expansion tool is specifically designed for Uponor ProPEX® and is built to make effortless installations faster than other tools available. The Milwaukee® expansion tool has an LED work light to illuminate your work spaces in dark locations and is compatible with M18™ batteries (not included) to keep every job moving forward.