Custom 4x4 Fabrication.
I cannot say enough good things about them.
Sporting a 2" lift and running with rigs sitting on larger tires and 2.5" or more lift sure lets me use them often, and hard. I litterally use them on purpose.
I've attached a picture of one such situation and would like to describe it...
4' high rock ledge, angled into a V shape... had to approach at an angle just to get the tow hooks out of the way to get the front wheels up on top of the legde... at that point, the rails are certain to make contact... my first lunge at it left the Jeep ballanced on just the rails, guys bounced the front of the rig untill I could reverse just enough to get another run at it... generous rpm, clutch drop and the Jeep lunged again, this time hard enough to smash the v-notch, slid along enough for the rear tires to make contact, and up and over I continued.
I've had the rig balance on one many times, came down har on them several times, but to litterally ram the vehicle into the v-notch, take the impact loading, slide the entire rig, and they are staight as an arrow...
Again, cannot say enough good things.
Balanced on the rails after first lunge...
http://members.cox.net/huddy31/v-notch2.jpg
and, carring on...
http://members.cox.net/huddy31/notch3.jpg