160 /200 Lathe Spindle With Pneumatic Chuck, Fully Automatic Cnc Three-jaw Power Head, Automatic Instrument Car - Power Tool Accessories - AliExpress
Lathe Spindle Adapter Fits Shopsmith Mark V 5/8" Spindle to Threaded Chuck (5/8" Spindle to M14 x 1 Thread 65 mm 3 Jaw Self Centering Chuck) - Amazon.com
Made in USA - Lathe Chuck Spindle Cam - 56451388 - MSC Industrial Supply