Large Lot of Bridgeport Quill Stop Knobs for Milling Machine

Large Lot of Bridgeport Quill Stop Knobs for Milling Machine. Includes 23 Knobs Total & 4 bolts/screws. 5 Knobs appear to be fairly worn. Remaining knobs in fair condition, slight variations between some; 1/18 knobs has 3 additional holes on top – 2/18 knobs are are more rounded than the remaining ones. All knobs are about 1.5″ wide and 1.75″ long. Quill Stop Knobs are used, conditions vary. See photos for further details.