Flex
Flex FX1371A Quick Eject Impact Driver
The FX1371A is Flex's flagship 24V hex impact driver, released in early 2022 as part of the brand's Stacked Lithium generation. Its brushless motor produces 2,500 in-lbs of torque with three speed modes topping out at 4,000 RPM and 4,450 IPM, plus two self-tapping screw modes that detect torque changes and stop before stripping. The signature Quick Eject collet has an eject button above the trigger so bits can be inserted and released with one hand.
Specifications
Features
Pros
- ✓Monster 2,500 in-lbs of torque with a 4,000 RPM top speed puts it among the fastest premium impact drivers Pro Tool Reviews has tested.
- ✓The Quick Eject collet is genuinely unique - a button above the trigger pops bits out without ever moving your hand from the grip, and insertion is one-handed too.
- ✓Two dedicated self-tapping screw modes sense the torque spike when the screw seats and stop the tool, which sheet-metal and HVAC users say ends stripped and overdriven screws.
- ✓The 4.7-inch head is shorter than most full-power rivals, so flagship torque still fits into tight framing bays and cabinets.
- ✓Stacked Lithium packs hold voltage under load, and the kit's 280W rapid charger refills a battery in under 30 minutes - among the fastest charging in any platform.
- ✓Early registrants got Flex's Founders lifetime warranty covering the tool and even batteries, which owners repeatedly cite as a standout perk.
- ✓Lowe's runs aggressive promos on this driver - the two-battery FX1371A-2K kit has dropped to $159, which deal hunters call unbeatable for the performance.
- ✓Build quality feels premium, and a belt clip and bit holder are included rather than sold separately.
Cons
- ✗Weight is the recurring complaint - 2.7 lbs bare and over 4 lbs with a Stacked Lithium pack, and even multi-tool Flex owners on ToolGuyd single out the impact driver as noticeably heavy.
- ✗The 6-cell 24V battery architecture makes every pack bigger and heavier than the 5-cell 18V packs competitors hang on their compact drivers.
- ✗Flex is a Lowe's-exclusive line, and Lowe's cleared out many original Flex SKUs in early 2024, leaving owners uneasy about the platform's long-term direction.
- ✗The tool ecosystem is far smaller than DeWalt, Milwaukee, or Makita, so buying into 24V for this driver means fewer options down the road.
- ✗Availability outside the US has shrunk badly - Canadian owners report Flex essentially disappeared after Lowe's Canada closed.
- ✗The lifetime Founders warranty was a limited-time registration perk; current buyers get the standard 5-year coverage instead.
- ✗Deep holiday clearance pricing on kits undercuts early buyers and hurts resale value, a sore point in owner communities.
- ✗Its Amazon aggregate of 4.4 stars trails segment leaders, with a small review pool that makes long-term reliability harder to judge.
Common Questions
What is Quick Eject and is it a gimmick?
How do the self-tapping modes work?
Why do people call it heavy?
Do new buyers still get the lifetime warranty?
How fast does it charge?
Compare the Flex FX1371A Quick Eject Impact Driver
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