Prusa i3 Enhanced Lead-Screw Mod

TR8*4 Lead-Screw upgrade for the Prusa i3 Enhanced by ooznest

Lead-Screws from here :-

http://www.aliexpress.com/item/3D-printer-linear-stepper-motor-42mm-NEMA17-screw-rod-stepper-motor-Tr8-pitch2mm-lead-screw-linear/32310661236.html