The M12 FUEL Pro PEX Expander delivers the fastest 3/8 in. -1 in. connections. Utilizing an auto-rotating head mechanism, the M12 FUEL Pro PEX Expander provides even expansions for the most consistent installations. The new Pro PEX Expander Heads with RAPID SEAL provide one of the fastest PEX seal for less down time 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 Brushless Motor delivers the fastest expansions, yet runs cooler with no wearable components. The M12 2.0 Compact Battery Pack delivers up to 20% more power and 2X more recharges than standard lithium-ion batteries, as well as best-in-class performance in extreme jobsite conditions. Intelligence ensures optimized performance and protection from overload, overheating and over-discharge. The onboard fuel gauge helps you monitor the charge more accurately, so there’s less downtime on the job. Auto-rotating mechanism provides quick, uniform expansions Ultra Fast 3/8 in. -1 in. expansions for up to 35% faster connections Pro PEX expander heads with RAPID SEAL for up to 65% faster sealing at 45° Quick cam mechanism for fast, continuous expansion Built-in auto rotate mechanism for effortless, one-handed use Compact, right angle design for use in tight locations All-metal gears and integrated magnesium frame for maximum jobsite durability.