Check the listing for details. Dillon Case Feeder Plate Knob CNC Aluminum - NOT 3D Printed Plastic. Condition: New. Listed at 6.00 USD. CNC Machined from 6061-T6 Billet Aluminum. This Case Feeder Knob will ease the removal of the plate from your Case Feeder. This knob is 1.900 in diameter at the top flange and 1.500" at the base so it is the same diameter as the large washer on the Feeder Plate. Be sure to calculate your total price when viewing other options on eBay. This is the best price with shipping charges. These should not cost $15-20 to your door. Discounts for purchases in multiples. Installation instructions:1. Remove the 2 bolts from your feeder plate.2. Place Knob on the large washer.3. Reinstall the 2 screws with all washer hardware back to the similar torque. I like this knob as it allows me to not only remove the plate easier and quicker but also allows an easier adjustment of the torque clutch. Thank you for looking and be sure to check out my other auctions for reloading!