1/2 Allen Orban Knife Round 1/2 Allen Orban Knife Round KO12KPO3AR 30% thinner than the standard Orban, features a rounded angled blade and contra-angled shank for posterior use. Also useful for excising interproximal tissue. Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutronâ„¢ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron