Parameter: Width: 70mm Length: 160+90mm Center height: 80mm Slot height: 16mm Stroke: 80mm Bottom parameters: Disc diameter: 100mm Aperture: 100mm Small aperture: f20mm Packing list: 1AT300 lathe tool post assembly Packing size: 6KG Package weight: 403025CM. AT300 Mini Lathe Accessories Metal Lathe Assembly Metal Change Tool. AT300 Lathe Tool Post Assembly Holder Mini Lathe Accessories Metal Change Tool. Packing list: 1AT300 lathe tool post assembly.