"The Milwaukee M18 Cordless Lithium-Ion ProPEX Expansion Tool features an auto-rotating head for convenient one-handed operation. D-handle design and integrated magnesium frame offers maximum jobsite durability, while the quick cam mechanism delivers precise, continuous expansion for 3/8in. to 1 1/2in. ProPEX connections. Designed specifically for Uponor ProPEX, the M18 ProPEX Expansion tool is built to make effortless installations faster than other tools on the market. Stroke Length in. 63/64 25mm, Switch Type Trigger, Tool Weight lbs. 9.2, Batteries qty. 2, LED Light Yes, Cordless Yes, Battery Type Lithium-ion, Min. Pipe Diameter in. 3/8, Strokes Per Minute SPM 45, Volts 18, Max. Pipe Diameter in. 1 1/2. Built-in auto rotate mechanism for effortless, one-handed use Quick Cam mechanism for fast, continuous expansion All-metal gears and integrated magnesium frame for maximum jobsite durability D-handle design for added durability from impact Compact, ergonomic design reduces fatigue during extended use LED work light illuminates work space in dark locations Battery fuel gauge displays remaining run time Compatible with both Compact and XC M18 Redlithium batteries"