Taper Lock Adapters work with the Stronghold Chuck so it will attach it to the drive spindle of your particular lathe.
This adapter will fit all lathes using a 1" Diameter x 8 TPI (Threads Per Inch) drive spindle. Canada
NOTE: Taper Lock Adapters are sold separately from the chucks. Be sure to order the correct adapter needed for your lathe when buying a chuck.