All threaded rod needed for build a RepRap Prusa (like RepRap#Resco). The bars are Bright Zinc Plated: inox bar cost more and are not needed.
The kit contains:
- 6x M8x370mm
- 4x M8x294mm
- 3x M8x440mm
- 2x M8x250mm (longer that original, good if you want to anchor z screws to bottom bar)
The bars are ready to use and cut +/- 1mm.