Mini Lathe AT300 Accessories Metal Change Lathe Tool Holder Tool Kit holder. Specification: Name: AT300 tool holder Stroke: 80mm Disk diameter: 100mm Pitch: 100mm Small aperture: diameter 20mm Packing size: 253025cm Weight: 5.5kg. What in Package: 1 x AT300 Tool Holder Mini Lathe Accessories Metal Change Lathe Tool Holder Tool.