Decap and lube cases in one step with the RCBS exclusive Lube Die. Designed for progressive presses like the Pro 2000, Piggyback II, AmmoMaster, and Auto 4x4, but works just fine in single-stage presses. Four sizes cover 45 popular calibers. It?s faster and cleaner than a lube pad; easy to refill with lubricant (RCBS Case Lube - 2); standard 7/8?-14 thread. Fits: 22 Bench Rest .22 PPC .221 Remington Fireball .222 Remington .222 Remington Magnum .223 Remington (5.56mmm) 6mm Bench Rest 6mm PPC 6mm x 45 7mm Thompson/Center Ugalde .300 AAC Blackout