The Hornady Shell Plate #29 is a precision-engineered component designed for the Lock-N-Load AP Progressive Press and compatible with older Projector Press models.Hornady Shell Plate #29Compatible with Lock-N-Load AP Progressive PressWorks with older model Projector PressMade from quality materials for durabilityEnables easy caliber changes during reloadingDesigned for years of outstanding serviceEssential for cartridge reloading operations this shell plate allows reloaders to efficiently change calibers and begin reloading sessions with confidence in Hornady's proven quality and reliability.