Color Coded Drills To Remove Gutta Percha And For Preliminary Sizing Of The Canal 5 Sizes (00-03). White, Yel., Red, Blue, Green/Sizes 00,0,1,2,3. Essential Gates Glidden Drills Are Color Coded To Match EDS' AccessPost, Flexi-Post, Flexi-Flange and Flexi-Overdenture Primary Reamers