NOVA JSCOLE Cole Chuck Accessory Jaw Set is an accessory for NOVA Chucks, designed to expand your range and capacity of your standard NOVA Chuck for specific projects and applications. Universally fits to any NOVA Chuck for maximum flexibility, saving money as duplicate accessories are not needed for different NOVA Chucks. NOVA JSCOLE Cole Chuck Accessory Jaw Set is a versatile set, designed for the re-chucking of bowls to remove chuck marks, add decoration or to re-shape the bottoms of bowls that have already been turned. Other NOVA Accessory jaw sets can be added to the Cole Jaws making a combination jaw facility - expanding dovetail facility for mounting bowls/platters and a reverse dovetail for mounting footed bowls/platters. These jaws have many advantages over traditional vacuum chucking. Suitable for wood lathes with a minimum 12 swing diameter. Die cast aluminum with pre-set holes, for precise closing, durability and long life. Comes with 4 jaw segments, special fasteners, standard rubber bumpers and instructions. Additional accessory bumpers are available. 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.Some accessories such as larger jaws are only suitable for use on the larger NOVA Chucks, please check manual prior to use.