Lyman Premium Carbide 4 Piece Die Set .40 S&W/10 mm .40 S&W/10mm;Designed for loading pistol calibers that headspace on the case mouth;T-C sizing die;2-step neck expanding die;Separate taper crimp die;Available in sizes: .38 Spec/.357 Mag, .40 S&W/10mm, .45 ACP/.45Win. Mag., 9mmtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7700 Product Group Code: 7700B Product Sub Group 1: 7700B1 Inactive: No