Snap on Nozzle leveler for the Replicator 2X

Hello everyone.
Here is a snap-on leveling tool that snaps directly on the the carrage of your Makerbot Replicator 2X.

It is similar to others out there like:
einer_designs Thing: 23013

This one I made so when I alter an extruder for repair or maintenance I can re-level them while still on the carrage and not take the bar off or (more dificult for me) use the build plate to level the nozzles.
I have included stl file ready to print and an IGES file soyou can make your own modifications.

Enjoy and let me know of your improvements.