The Renz DTP 340 A includes a standard die set. However, if you are looking to do more than one type of binding you will need a different die set. Mybinding.com carries the full line of Renz Modular Diesets for the Renz DTP340A. Choose from square or round hole wire dies, round or oval hole coil, plastic comb and Velobind. Renz DTP 340A die sets feature all metal construction and disengageable punching pins. Expand the capabilities of your Renz DTP-340A with an additional modular die set.