The RCBS Heavy Duty decapping die quickly removes primers from cases prior to cleaning and is ideal for a reloader with a heavy duty decapping or depriming job in 27 Through 45 calibers. For lighter depriming and decapping projects in 22 Through 27 calibers the RCBS Universal depriming and decapping die is recommended. Plastic storage box is included. Specifications: - Material: Steel - Universal decapping die for 27 through 45 caliber.