Roller Burnishing Tool for 4 4 25 Dia Pipe Boiler Tube roller etc 13042

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  For sale is a Heavy Duty Roller Burnishing Tool.  Rollers extend out
  to 4-1/4" maximum diameter, and retract to approximately 3-15/16"
  diameter.  The burnishing head runs on a tapered steel cylinder,
  which extends the rollers outward as the head moves towards the butt
  end of the tool.  39-1/4" Length of entire tool.  1" Square recess
  in drive adapter (fits 1" square rotary tool driver).  The rollers
  all turn smoothly.