The new ""Precision Resizing Dies"" are the culmination of years of shooting and reloading precision rifle cartridges. The design and execution of the Precision Resizing Dies are pure Short Action Customs innovation and demand for excellence Design: Each Precision Resizing Die is designed to size the cartridge shoulder a minimal amount to prevent over working the brass, yet allow for proper feeding and function. The base of the cartridge is sized more than a standard die to ensure brass that is "fired and tired" can still be used with out any clicking or sticky bolt close due to enlarged base diameters. Important details such as neck/shoulder Mfg: Short Action Customs, Llc.