Craig,

Here's something I posted a while back:

Here are my contents for a discreet urban survival kit that you can get away with in an office environment:

Urban Kit

Tobacco tin
6 feet of quality tape to seal tin
2 1/4" blade folding locknife with built-in red LED light (Whitby Firefly)
Turboflame Windproof Lighter
Mini Cyba-lite LED flashlight
3 Starlite SL3 6mmx 50mm fishing lure lightsticks (last 12 hours each)
Fox 40 whistle
Mini slotted / cross head screwdriver
Small pair Scissors
Small pair tweezers
2 Scalpel Blades
12 assorted adhesive plasters
4 Paracetamol / Codeine tablets
4 Piriton Antihistamine tablets
2 Alcohol free cleansing wipes
Sewing kit (2 needles, 4 safety pins, 4 hanks of thread, 2 buttons, 1 press-stud)
Suunto Clipper Mini Compass
Small magnifying lens
Small pencil
10 mini fluorescent Post-It Notes

Compare, contrast and discuss! All feedback welcome!!