The MILWAUKEE M12 FUEL ProPEX Expander delivers the fastest 3/8 in. -1 in. connections. Utilizing an auto-rotating head mechanism, the M12 FUEL ProPEX Expander provides even expansions for the most consistent installations. The new ProPEX Expander Heads with RAPID SEAL provide the fastest PEX seal for less downtime before pressure testing. Access tight locations to install tubing with the compact, right-angle design for fast and easy installations. All-metal gears and an integrated metal frame deliver maximum tool durability on the job site. The Milwaukee M12 REDLITHIUM XC6.0 Battery Pack delivers up to 3x more runtime, 20% more power, and 2x more recharges than standard lithium-ion batteries. Kit Includes: one M12 FUEL ProPEX expander, two M12 REDLITHIUM CP2.0 battery, one 1/2 in. rapid seal ProPEX expander head, 3/4 in. rapid seal ProPEX expander head, 1 in. rapid seal ProPEX expander head, one ProPEX expander cone grease (49-08-2400), an carrying case, one M12 charger and one M12 12-Volt Lithium-Ion XC Extended Capacity 6.0Ah Battery Pack (48-11-2460).