The NOVA 23269 LITE SuperNOVA2 Insert Version Chuck is suitable for a wide variety of lathes with up to 20" swing. The SuperNOVA 2 Chuck is fully featured and one of the most popular on the market today. Unique features such as Composite Indexing Back, Auto Stop, Copper composite Jaw Slides, Comfortable Tilt away T Bar Handle. Powerful Tuff Lock gearing with precise, hardened action. Delivers incredibly smooth strength for a solid, vibration free performance. This is an Insert type chuck, it requires an additional insert adaptor to fit a lathe.