The Lyman #12 Shell Holder features steel construction that provides a perfect fit for reloading various large calibers with precision and reliability.Lyman #12 Shell HolderSteel construction for durability and precisionCompatible with .45-70 Government .416 Rigby .45-90 SharpsFits .40-65 Sharps .45-110 Sharps .45-100 WCF .45-120 SharpsWorks with 7.62x54 Russian cartridgesCompatible with Lyman presses and most other top-rated brandsEngineered with strict quality-control standards this shell holder ensures reliable performance for serious reloaders working with large rifle cartridges and historical calibers.