Garage ABC

Steri Strips (for all the cuts people get while doing things in their garage :p )

Torque wrench

"Up, Up and Away" playing on the radio while my grandfather painted his business signs.  My God I hated that song!  :p

For a physical object...

Utility Knife

Vacuum cleaner bags.

Whitney Punch

X-pect me to come up with X-Acto knife pretty much every time.

Yard Pro mower

And, I noticed that I skipped Y last time around and went straight to Z, so...  Yard Signs

Zig-zag ruler

Another round?

Arc Welder

You're on, GabeU

Bench vise

Cable Ties 

Dart board

Edger (lawn)

flagging tape