The Hobart 00-077371 Fluted Knob is a manual control component designed for compatible commercial food cutters and choppers. Its 2-1/2-inch diameter provides a practical gripping surface for turning and adjusting equipment components during operation or maintenance. The knob features a 1/2"-11 female thread with a brass insert for mounting onto a compatible male-threaded shaft or stud. https://partsfe.com/fluted-knob2-12-d-for-hobart-part-00-077371