Z probe Robo 3d ( Auto Bed Leveling Robo 3d )

My first project here. I´ve done twice and it works well. The idea is keep fixed with 2 bolts. The piece is strong and don´t move ( twist ) when it goes down.

Some videos:
1) http://www.youtube.com/watch?v=Fhdpmq-1gPY&feature=youtu.be

2) http://youtu.be/2yfGTHKOF4w

I hope you enjoy it.