This listing is for the following. One piece Aa Quick Change Tool Post and its locking lever. Three pieces AaH1250 boring turning tool holders. One piece T wrench for tool holder. The tool post and holder are made in Wuhan of China. Or turning diameter is from 120mm to 220mm4.7. Suitable for hobby bench lathe like D180, WM210, BV200, etc. Aa multifix tool post can fit with optimum's SWH-AA AaD1250, AaH1250, AaT, AaJ tool holders quite well. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Quick Change ...