The Lee carbide 3-Die set is a great set of reloading dies for any reloader looking for a set of dies that will produce accurate ammunition for many years. Lee dies are made to exacting tolerances helping to create accurate ammunition every time they are used. Each carbide 3-Die set comes packaged with a carbide sizing die with decapping unit, powder through expanding die (used for expanding and Belling the case mouth while charging the case with powder) and bullet seating die. Each die set comes packaged with the appropriate shellholder, powder Dipper, load data sheet and plastic storage container. One of the great features of carbide dies is that they do not require the cases to be lubricated prior to use like non-carbide dies. Specifications: - cartridge: .454 Casull - number of dies: 3 - die type: sizer, expander, and seater - threads: 7/8 inch -14 - shellholder included: yes - storage box included: yes