[OLD Model]

From the Manufacturer

NOVA IYNS 1 1/4-Inch 8TPI Chuck Insert/Adaptor allows you to adapt your Insert Type NOVA Chuck to a 1 1/4-Inch 8 Lathe. Allows you to keep the same chuck and accessories if you change your lathe - you only need to change the insert/adaptor. The internal thread is 1 1/4-Inch -Inch 8 and the external thread matches the NOVA insert type chucks, to simply and easily screw into the back of your NOVA Insert Type Chuck. This then makes your NOVA insert type chuck ready to attach to your 1 1/4-Inch -Inch 8 threaded lathe spindle. Precisely machined from 1045 High Tensile Steel. Designed by the innovators of the 4 Jaw Chuck for wood turning, Teknatool International since 1955. Backed by a full replacement 2-year warranty.