The one that Zonie shows is significantly larger than the one I used. Mine is more like this one I found on Amazon since I didn't find it listed in the Harbor Freight Catalog.
https://www.amazon.com/Performance-Tool-W2503-Impact-Extractor/dp/B00MXFFPVY
https://www.amazon.com/Performance-Tool-W2503-Impact-Extractor/dp/B00MXFFPVY