The M18™ ProPEX™ Expansion Tool features an auto-rotating head for convenient one-handed operation. A “D”-handle design and integrated magnesium frame offers maximum jobsite durability, while the quick cam mechanism delivers precise, continuous expansion for 3/8” – 1-1/2” ProPEX™ connections. Designed specifically for Uponor® ProPEX™, the M18™ ProPEX™ Expansion Tool is built to make effortless installations faster than any other tool in the Industry.