KCJ-XH-20X Narrow (20) Head, Narrow openings - best for all around cutting applications, All round cutting applications, High quality carbon steel blade, Replacement head for Kleen Xchange KCJ-XC-20X, The active antimicrobial component is part of the formulation, so it won't wash off or wear away!, This is not a coating or treatment - its and integral ingredient!, ISO22196 Certified