DTM (Dovetail Tool Mfg) Clifton NJ quick change wedge type toolpost. Uses H100 tool holders or is compatible with Aloris CA size holders. Very nice smooth toolpost, if you have had one before you know these are some of the nicer quick change toolpost on the market. Specs state it is made for 17-22 lathes. Be sure to view our other items for more great tooling finds.