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. 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. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.