Kimax® Reusable Wide Tip Color Coded Serological Pipets have a wider tip opening for faster delivery, but less accuracy. Top end has been tooled to accept cotton plugging on all sizes. The 2 mL size has a tip opening slightly smaller than the bore of the graduated portion, while the larger sizes have openings of Approximately 3 mm. For use with viscous liquids, slurries and suspensions. Designed from ASTM Specification E1044, Style III requirements.