160 /200 Lathe Spindle With Pneumatic Chuck, Fully Automatic Cnc Three-jaw Power Head, Automatic Instrument Car - Power Tool Accessories - AliExpress
Amazon.com: 4-Inch 4-Jaw Self-Centering Chuck Set Multifunctional 895 Motor Rotary Lathe Woodworking Spindle Bracelet 80 65 Chuck 50 Three Claws 65 Four Claws with 1-Inch x 8TPI Thread (50 Three Claws S) :
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