The M12™ cordless lithium-ion ProPEX™ expansion tool features an auto-rotating head for convenient one-handed operation. A compact, right angle design makes installing tubing in confined spaces fast and easy, while the quick cam mechanism delivers precise, continuous expansion for 3/8 in. - 1 in. ProPEX™ connections. Designed specifically for Uponor® ProPEX™, the M12™ ProPEX™ expansion tool is built to make effortless installations faster than any other tool in the industry.