Maxwell manufactures slitter knives for all  machine types:

• Adherence to the smallest possible thickness tolerance down to ± 2 microns.
• Subdivision of thickness tolerance in
  3 areas (-, 0, +)
• Suitable for sheet metal thicknesses from 0.006 to approximately 16 mm.
• Rotary slitter knives ground with a single-sided facet and an exact edge.