New pin jaws which have been improved by squaring the external shoulder to allow workpieces to properly seat against the back of the jaws. This is ideal for use in expansion, to grip tubes in work pieces such as salt and pepper mills.
The internal diameter has been reduced to 9mm, making it ideal for making finials or lace bobbins - Thereby increasing its versatility. This jaw set is ideal for miniature turning and to grip workpieces internally without excessive damage or marking.
This jaw set is completely cross compatible with all previous Nova chucks and the Robert Sorby Patriot chuck.
Expansion: 25 - 45mm
Contraction Spigot: 9 - 28mm
Contraction Square: 7 - 27mm