In preowned condition the big threader is included but does not fit this machine & is not a ridgid brand. I plugged it in squeeze trigger goes forward and also backwards no further testing was done as. The item "Rridgid 600 Hand Held Pipe Threading Machine With 4 Dies" is in sale since Tuesday, April 20, 2021. This item is in the category "Business & Industrial\Light Equipment & Tools\Pipe Tools\Pipe Threaders, Taps & Dies". The seller is "scrubaduck" and is located in Okeechobee, Florida.This item can be shipped to United States.