The Hornady Custom Grade New Dimension Taper Crimp Die is the perfect tool to use in applying the proper crimp to your auto-loading pistol cases. This taper crimp die also makes a great addition to your Hornady 3-Die Pistol Set to help you improve both the feeding and function of your auto-loading pistol. Not only does the Hornady Custom Grade New Dimension Taper Crimp Die apply just the right amount of crimp, but it is made from high-quality steel to ensure that it delivers many years of durable performance. What more could you ask for?