I bet you didn't realize there were this many replacement blades and knives available for Muller Martini cutters. In fact, we carry more than fifty different knives for all sorts of models including the 532, 542, 562, 630, 636, 640, 642, 650, DS217, DS221, DS235, DS240, DS140, DS250 as well as Panda, Tempo and Alpine Models. Scroll down and find the blade for your particular cutter. Or do a search for the model that you own. When you find the right knife just make sure that you check the length and hole pattern. Or, if you would prefer just give us a call and we will do our best to help you find the right replacement for your particular machine.