A solid carbide insert is used, ground to a special contour that does not leave the objectional belt mark on the case, common to ordinary carbide dies. With a carbide sizer, no case case lube is needed, and you don't even have to clean your cases. The set includes: Full Lenght sizer - Bullet Seater & Roll Crimper - Factory Crimp Die - Built in Stuck Case Remover - Long Guided Expander - Shellholder - Powder Dipper - Load Data and Instructions.