1/2 Allen Modified Orban Knife 1/2 Allen Modified Orban Knife KO12KPO3A6_1 Allen modified Orban is 30% thinner than standard Orban. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.