From this,
to this.
Banging the rods in with a hammer is rediculous. These ends use "Set screws" to fasten smoothly inserted rods. The extruder mount allows for mounting original parts to it. All three parts use double the bearings each. Most importantly it eliminated the original parts misalignment of the feed screws and rods which seams to be the norm on the plexiglass kits. Here is the final result.