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. - Measures approximately 10 x 6 x 1 - Fastening hardware included.