The Lee Deluxe Handgun Four-Die set includes a carbide full length sizing die with decapping unit, carbide powder through expanding die, for expanding and belling the case mouth while charging the case with powder, a carbide bullet seating die, and Lee's exclusive carbide Factory Crimp Die. The carbide Factory Crimp Die checks the size of the case, ensuring that every round will chamber properly in your gun. The deluxe Four-Die set also comes packaged with the appropriate shell holder, powder dipper, load data sheet, and flat Four-die plastic container. Carbide dies do not require the cases to be lubricated prior to use like non carbide dies. Features and Specifications: Manufacturer Number: 90965 .40 S&W and 10mm Deluxe pistol Four-die set Factory crimp die post sizes case Air tight hinged cover storage box