Black and Decker SmartDriver perfectly aligns screws, but don't order from Amazon
But what's most interesting is the Amazon.com price: $3,997.00! Prompting this confused comment from R. Smith of Woodside, California:
The current price showing is $3,997.00 so I called Amazon and was told this was the correct price due to Target being out of stock. Target was selling it for $39.99 which I pointed out.So I asked if this could have been a mistake and the answer was no. If you order it you will pay $3,997.00
So you might want to hold off on ordering this until it hits our Morning Deals, or just go to Target: the rest of the Amazon reviews are very favorable.
Black and Decker LFI4000 [Amazon via Slippery Brick]

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if only the square recess bit supplanted the Philips.
Hey, free shipping though,
Square recess is not self-centering, and is much harder to clean out after decades exposed to weather. Stainless phillips screws absolutely rule for metal barn roofing and siding, which is covered with something very akin to teflon. But the stainless screws don't stick to magnets... still much better than squares.
The price seems to have been fixed to the obvious $39.97 now.
Maybe worth it for $40, but it looks like crap to me.
I always use a bit extension to get the action away from the body of the driver, it looks like the screw holder isn't long enough to accommodate one.
Other B&D drivers that I've used have really poor (jumpy) speed controllers. Makes it easy to strip screws.
And I'll throw in my vote for Torx bits (looks like a star) over square and phillips. I've driven thousands of screws and never stripped a torx.
Also, the price is back down on Amazon.
I'd guess that at least half of the people who THINK that they're stripping a Phillips screw are actually stripping a Pozidrive screw by using a Phillips driver on it.
when reading the title i thought it aligned them as in it lined all the screw-heads to face the same way... which would be great, as this is a pet hate
and for anything with visible screw-heads : slot headed screws FTW
The "tapping your thumb bone marrow" remark reminded me of putting up a flagpole mount at our vacation house shortly after 9/11 (deep in red-state territory) using a ryobi drill-driver way above my head; it slipped out of the phillips-head screw and literally through my thumb, lord, the blood (my relatively-new wife at the time nearly fainted, she has become much more sanguine (get it?) about the possibility of blood since). I still have a cruciform scar, which I use to scare children. This looks superficially good for fraidy-cats, but I expect anyone having to drive several dozen screws will tear it off with a muttered curse, and go back to using fingers.
Sounds to me like a clueless customer "service" employee just making something up to get rid of a question they didn't know an answer to.
This would have made a great shopping cart note:
"The price of the Black and Decker SmartDriver has decreased from $3,997.00 to $39.97 since you placed it in your cart."
Nice!
Price went up again, to $39.99.