This 1.0 mm special coated end mill (Product #ZDB-50D-HY) is designed for use with Roland DWX-52D Plus, and DWX-53DC dry mills and has been specially designed for dry milling new materials like, VITA ENAMIC hybrid ceramic and 3M™ ESPE™ Lava™ Ultimate CAD/CAM restorative pin-type blocks. This tool is only for use with hybrid or nano-composite approved materials.