Hornady Seating Dies For Series I Two-Die Rifle Set Die Bs 300 Wby Mag (.308)Precise machining allows accurate reloading by offering easier adjustments, better alignment and smooth functioning.With one of the finest internal finishes in the industry, Hornady® Custom Grade and Match Grade Dies provide a lifetime of reloading. They’re so well crafted that they’re guaranteed never to break or wear out from normal use.