UPGRADE? 1AT300 lathe tool post assembly Holder Metalworking Mini Lathe Part Parameter: Width: 70mm Length: 160+90mm Center height: 80mm Slot height: 16mm Stroke: 80mm Bottom Parameters: Disc diameter: 100mm Aperture: 100mm Small aperture:? 20mm Packing list: 1AT300 lathe tool post assembly Packing size: 6KG Package weight: 403025CM.