- Special burs have been developed for the milling of models on the inLab MC XL unit: a shaper with a diameter of 2.5 mm (Shaper 25) and a finisher with a diameter of 1.0 mm (Finisher 10). - Designed for milling of CEREC connect models, Zirconia, resins and temporary materials - Do not use carbides for milling of ceramic materials. - Use of these burs can require a motor upgrade and starter kit; contact your local Patterson. **For further product information, please contact Chat Support**