Our M18 ProPEX Expansion Tool Kit features an auto-rotating head for convenient 1-handed operation. The expander tool has a D-handle design and integrated magnesium frame giving you maximum jobsite durability. The quick cam mechanism delivers precise, continuous expansion for 3/8" to 1-1/2" ProPEX connections. Designed specifically for Uponor ProPEX, the cordless pipe expander tool is built to allow you to make effortless installations faster than other tools available.