The classic dies that started it all continue to set industry standards. RCBS Precision dies are RCBS Precisioneered to deliver superior performance plus easy adjustment and operation, whether you reload 10 or 10,000 cartridges a year. - - 340 Weatherby Magnum - - Sets Feature: - - Sizing dies with tolerance twice as stringent as typical firearms and ammunition for consistent chambering round after round. - - Available in 2-and 3-die sets with satin/matte finish - - Fine body knurling for easy, non-slip adjustment - - Hardened die bodies - - Easy, adjustable expander-decapping unit locks in place, eliminating slippage - Three-piece expander/decapping unit lets you replace the decapping pin in a snap