The Hornady Match Grade New Dimension Bushing Die is designed to provide the ultra precision and match winning performance demanded by serious shooters. The Match Grade Die feature self centering, interchangeable neck sizing bushings, that are held to strict tolerances to provide superior accuracy. Includes a Full-Length Sizing Die. Plastic storage box and two Sure-Loc rings included. Shellholder sold separately. Notes: Sizing die features precision-polished elliptical expander to reduce friction and case-neck stretch.Shellholder not included.Use of Hornady Match Grade Neck and Full Length Dies and Bushings:Hornady Match Grade dies have a separate, interchangeable neck size bushing (not included with die).The dimension of the bushing (inside diameter, listed) determines the neck size when the brass is inserted into the die.Standard dies size to SAAMI minimum specification and this is often not necessary, as a particular rifle, brass type and chamber may not need minimum dimensions. ...