Impregum Penta Mixing TipsUsed with the Pentamix machines from 3M, the red Penta Mixing Tips are manufactured to ensure a void free, homogeneous mix and to facilitate the mixing and application of dental materials in restoration procedures. The tips are easy to insert into Pentamix devices, including Pentamix 2, Pentamix 3, and Pentamix Lite, thanks to their gray cover plates that enhance their visibility.