Expanding Jam Chuck System – 10 Piece

Numerous turning projects require a jam chuck however hand turning the chuck is time-consuming and not always accurate. This system solves the jam chuck problem. Insert the system s tough rubber chuck into your work then expand it by turning a nut to conveniently secure the workpiece.

This remarkable package includes five chucks plus the Forstner bits to drill the jam chuck holes.

Chuck and Bit sizes are 3/4″, 1″, 1-1/4″, 1-1/2″, and 2″.