By combining a precise cut section with a defined gullet depth, National Combo Perf is designed to enhance folding in both corrugated and folding carton applications. Available in 2, 3, 4, and 6 point. National offers the widest selection of heights, tooth configurations and crease heights (gullet depths) in the industry. May be used in flat or rotary applications.

When ordering Combination Perf rule, the following information is required:

1. Cut Height
2. Crease Height
3. Thickness
4. Tooth Width
5. Gullet Width
6. Form (Straight or Curved)
7. Standard or Serrated