They may or may not be oversize, undersize, or out of round. Small Size Levin 10mm D Collet.
nos 10mm LEVIN Jacobs #0 Taper Arbor, Watchmaker’s Jeweler’s Lathe
New old stock Levin 10mm “D” Jacobs #0 taper arbor. In excellent shape. Marked “Levin” on shank. Light storage wear, superficial staining/wax residue.
Levin Lathe Countershaft, Base, DC Motor W/ Variable Speed Drive Unit – – E3039
Good overall condition, been sitting for a few years and could use cleaning and lubrication. The motor is 90VDC and is a Minarik 504-06-006, 1/4 HP, 1800 RPM.