Swiss Army Pen

From websites:

Swiss Army Pen

Write underwater or upside down, trim a loose thread, tighten a screw, light up a dark corner... these are just a few of the tasks you can tackle with ease using the original Swiss Army Pen by Victorinox.

It opens up to reveal such useful tools as a knife blade/letter opener, file, screwdriver, scissors — even a flashlight.

Best of all, the NASA-approved pressurized ink cartridge writes upside down, in zero gravity and underwater!

Includes recessed clip and CR1025 button cell battery.

Salt-water resistant.

5-3/4" long.

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Green, Red, Blue, Violet, Pink, Yellow or Graphite.

$45.