Sherline 4400 Lathe | 3D CAD Model Library | GrabCAD
SHERLINE 4100A-CNC 3.5" X 8" CNC LATHE (METRIC) + "A" Package (INCH = 4000A-CNC) | eBay
Sherline 4500A - 3.5" x 8" Lathe with "Zero" Adjustable Handwheels - Power Lathe Accessories - Amazon.com
Sherline Model 1100 Mini Lathe - Niels Machines
It's a a really tiny machine, but it makes good parts. Diy Geiger Muller probe. Sherline Lathe. Plain old aluminum. No idea about the grade. : r/Machinists