This knob with stud is an OEM direct from Jet. Compatible with several table and band saws, this component is fastened to the lock cam. The threaded metal screw with a plastic handle helps to secure the fence assembly. This item is sold individually, and no tools are needed for the replacement. For Use With: Jet JWSS-10CS (708781) Super Saw JTAS-10 Tilting Arbor Tablesaw JTAS-10 Tilting Arbor Tablesaw PM1800 18-inch Band Saw PM1800 18-inch Band Saw PM1800 (1791801) 18-inch Band Saw PM1800 (1791801) 18-inch Band Saw