Machine Tool Fixture Wedge Type Tool Post Tool Holder Set for Lathe 8pcs/set. The quick change tool post is a main accessory of the machine tool, it is consist of tool post and many kinds of tool holders, according to the processing requirements of the workpieces. Correspording tool holders are selected to finish cylindrical facing. Whole set includes one each of: (053156) 250-222 Quick Change Tool Post 250-201 Turning And Facing Holder 250-202 Turning Boring And Facing Holder 250-204 Heavy Duty Boring Bar Holder 250-207 Universal Parting Blade Tool Holder 250-210 Knuring And Facing ...