Thinking about upgrading your lathe? Save time and possibly expensive tooling. This Nova Spindle Adaptor provides a safe and cost-effective way to use your current chucks, faceplates and other accessories with other lathe spindles with different thread patterns and diameters. Nova Spindle Adaptors are equipped with two locking set screws to allow reverse sanding. Adaptor measures 2-13/16" in overall length. Package contains one each of the following: spindle adaptor, nylon washer, set screw, and hex key.