This high-quality die set is designed specifically for use with the James Burns Lhermite Alpha-Doc MKIII automatic binding punch. This genuine JBI punching die is made from the highest quality hardened steel and is meant for high-volume production use. Alpha-Doc die sets are available in thirteen different punching patterns for virtually any style of binding that your company may require. This means that you can expand the capabilities of your AlphaDoc punch at any time by simply buying a new die set. Get your die set and get punching today.