If your Baumfolder cutting machine is cutting rough edges, then it is time to buy a replacement blade online at Binding101. Our Baum knives are manufactured to the highest quality standards, to guarantee a perfectly smooth and square cut, no matter which model cutter you have. To choose the correct blade for your Baumfolder cutter, select the model of cutter you have. Then confirm the blade size and number of holes to ensure perfect compatibility. Don't see what you need, or need help finding the right replacement knife? Call us at (866) 537-2244.