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.