NOVA 13055 Titan Wood Turning Chuck 1-1/4 in. 8TPI Direct Thread is a 4 Jaw self centering geared chuck, suitable for larger wood lathes with 20 in. plus capacity swing. Packed with unique NOVA features such as fully closed back, Auto Stop, Copper composite Jaw Slides, Woodworm Screw, Comfortable T Bar Handle and PowerGrip Jaws as standard, this chuck is fully featured. Powerful patented Tuff Lock gearing with precise, hardened action delivers incredibly smooth strength for a solid, vibration free performance. The large 5 in. diameter chuck body with PowerGrips Jaws translates into a rugged workhorse that is perfect for large wood lathes and tackling super solid projects. Takes the same accessory range as other NOVA Chucks. Dedicated threaded 1-1/4 in. 8TPI. Designed by the innovators of the 4 Jaw Chuck for wood turning, Teknatool International - since 1955. Backed by a full replacement 2-year warranty, call our customer service center toll free on 1-866-748-3025.