As of April 9, the Hoto Electric Screwdriver comes bundled with a Hoto Box Cutter for $43.99, down from $52.98. That's 17% off, and $6 cheaper than buying the Hoto Electric Screwdriver on its own.

WASHINGTON — It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are actually two of these remarkably sturdy devices: the ...