The new and improved PRO-TEK SuperNOVA2 chuck is an upgraded version of the popular NOVA SuperNOVA2 chuck. NOVA PRO-TEK SuperNOVA2 Woodturning Scroll Chuck Bundle (insert version) JS 100N & JS130N - Plus 3/4 x 14 Tpi BSP Left Hand Thread - Ref: IBNS c/w 50mm Jaws, Woodworm Screw & Chuck Key - (Ref: 23108-IBNS-PK).
eBay