The M12 Cordless Lithium-Ion expansion PEX tool features an auto-rotating head for convenient one-handed operation. A compact right angle design makes installing tubing in tight locations fast and easy and the quick cam mechanism delivers precise， continuous expansion for 3/8 In. to 1 In. PEX connections. The M12 installations faster than other tools available. Built-in Auto Rotate Mechanism for effortless， one-handed use. Quick Cam Mechanism for fast， continuous expansion. Compact， right angle design for use in tight locations. All-metal gears and integrated metal frame for maximum jobsite durability. Paddle trigger for easy reach in confined spaces. LED (light emitting diode) work light illuminates work space in dark locations. Includes M12 cordless ProPEX expansion tool (2432-20)， 1 In. ProPEX expansion head (49-16-2408)， 3/4 In. ProPEX expansion head (49-16-2406)， 1/2 In. ProPEX expansion head (49-16-2404)， ProPEX expander cone grease (49-08-2400)， M12 lithium-ion battery charger (48-59-2401)， M12 REDLITHIUM battery (48-11-2401)， carrying case.