Tool for AUERBACH machine to produce HD50/HC45 bus frame using tube profile 1,2х20х20

Part name/Description/Quantity Roller 1,2x20x20 3pc Mandrel 1,2х20х20 1pc Supporting board 1,2х20х20 1pc Footstep bearing 1,2х20х20 1pc Sliding head 1,2х20х20 1pc