Save time, space and eliminate a loading bench top full of holes. Simply attach the Base Plate-3 to any work surface, then use the pre-tapped, letter-coded holes to quickly mount or dismount RCBS® Pro Chucker 5, Pro Chucker 7, the Grand shotshell, Rock Chucker Supreme, Summit, Trim Pro-2 Case Trimmers, Trim Pro®, Powder Measure Stand, Lube-A-Matic-2, Reloader Special, Rock Chucker®, Pro 2000®, Turret Press, AmmoMaster®, Partner Press and the APS® Bench Mounted, Automatic and Priming Tools.