Our largest and most powerful chuck in the NOVA chuck range. Also, one of our most versatile chucks. Delivers superior holding power for BIG projects with 3 fixing screws for each jaw.Capable of handling much larger work than the SuperNova2. Compatible with all Nova Standard chuck jaw sets (except Infinity). Fully sealed backing plate, Titan III PowerGrip jaws and Woodworm Screw included. Direct Threads only (1 1/4″ 8TPI or M33). Extra long, precision hardened jaw slides with safety stop and featuring 3 screw positions for added security. Fast adjustment and powerful grip with precise hardened geared action. Ball nose, comfort grip handle locks positively and quickly into pinion. Largest range of accessories on the market. Fully compatible with NOVA standard chuck jaws and accessories plus two optional large, heavy duty bowl jaws with wide face and deep grip. Especially designed for large turning projects.