This Dillon Case Feeder Plate Knob allows you to easily remove and replace the feeder plate in your Dillon Press as it actually gives you something to grab onto. Use the existing screws and washers from your original clutch to attach this knob. It is made from a smooth, polished piece of Billet Aluminum that is anodized the Dillon Blue Color and will not affect form or function of your case feeder plate and will not scratch or damage the brass. Buy one for each Case Feeder Plate you own. Listed price is for 1 Knob. AZ Industries, Inc. has been in business for over 48 years.