Roland Dental Milling Burs Diamond CAD CAM Zirconia φ2.0mm 2.0(Diameter of the head)*20(Lenth of the neck)*4(Diameter of the bottom)*50(Whole length) Compatible with Roland DWX-50D, DWX-51D, DWX-52D. Cutting Materials: Ziconia ,Wax, PMMA,Peek. FDA STATEMENT |