Expanding Jam Chuck Set - (5 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.

SIZES: 3/4", 1", 1-1/4", 1-1/2", and 2".

Expanding Jam Chuck Instructions