Singer sewing machine stop motion clutch knob and lock washer, will be chrome or nickel plate. Compatible with the model 15 (excluding the 15-91), 66, 99, 115, 127, 128, 201-3 / 201K (excluding the 201-2), 306, 319, etc. Nice vintage condition with typical surface scratching or scuffs, bright and rust free. Original, genuine Simanco parts #256 #2020. *Please note that this knob is not compatible with the Featherweight.